# ASTRON 465: Observational Astronomy and Data Analysis | UW–Madison

[View on UW Courses](https://uwcourses.com/courses/ASTRON_465)

## Dataset

### revision

e243353dcb7d79b7247ced91d69443ef4c2a6349

### repository

twangodev/uwcourses

### schema version

6

### importer version

7

### projection id

52a78527ff09011d88cb04c7d43867d9fbfec2930bf1dd2ec359ebd2844e0b07

### observed at

2026-09-07T15:55:43.033547+00:00

### built at

2026-09-10T19:50:42.743001+00:00

### courses

8951

### current instructors

5754

### limited

false

### terms

* 1272
* 1264
* 1262
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### term

1272

### departments

| subject   | count |
| --------- | ----- |
| AAE       | 90    |
| ABT       | 20    |
| ACCTIS    | 36    |
| ACTSCI    | 14    |
| AFAERO    | 10    |
| AFRICAN   | 87    |
| AFROAMER  | 71    |
| AGROECOL  | 21    |
| AMERIND   | 53    |
| ANAT\&PHY | 7     |
| ANATOMY   | 2     |
| ANESTHES  | 8     |
| ANSCI     | 57    |
| ANTHRO    | 95    |
| ART       | 125   |
| ARTED     | 10    |
| ARTHIST   | 121   |
| ASIALANG  | 129   |
| ASIAN     | 109   |
| ASIANAM   | 28    |
| ASTRON    | 38    |
| ATMOCN    | 69    |
| BIOCHEM   | 51    |
| BIOCORE   | 10    |
| BIOLOGY   | 14    |
| BIOMDSCI  | 18    |
| BME       | 66    |
| BMI       | 41    |
| BMOLCHEM  | 10    |
| BOTANY    | 69    |
| BSE       | 44    |
| C\&ESOC   | 73    |
| CBE       | 48    |
| CHEM      | 101   |
| CHICLA    | 52    |
| CIVENGR   | 133   |
| CLASSICS  | 47    |
| CNP       | 10    |
| CNSRSCI   | 50    |
| COMARTS   | 137   |
| COMPBIO   | 15    |
| COMPLIT   | 11    |
| COMPSCI   | 138   |
| COUNPSY   | 78    |
| CRB       | 19    |
| CS\&D     | 71    |
| CSCS      | 40    |
| CURRIC    | 193   |
| DANCE     | 93    |
| DERM      | 8     |
| DS        | 88    |
| DYSCI     | 35    |
| ECE       | 155   |
| ECON      | 145   |
| EDPOL     | 114   |
| EDPSYCH   | 97    |
| ELPA      | 70    |
| EMA       | 53    |
| EMERMED   | 17    |
| ENGL      | 206   |
| ENTOM     | 40    |
| ENVIRST   | 148   |
| EP        | 15    |
| EPD       | 67    |
| ESL       | 16    |
| F\&WECOL  | 60    |
| FAMMED    | 22    |
| FINANCE   | 50    |
| FOLKLORE  | 40    |
| FOODSCI   | 43    |
| FRENCH    | 63    |
| GEN\&WS   | 145   |
| GENBUS    | 72    |
| GENECSLR  | 17    |
| GENETICS  | 60    |
| GEOG      | 113   |
| GEOSCI    | 83    |
| GERMAN    | 82    |
| GLE       | 48    |
| GNS       | 38    |
| GREEK     | 27    |
| HDFS      | 41    |
| HEBR-BIB  | 13    |
| HEBR-MOD  | 10    |
| HISTORY   | 233   |
| HISTSCI   | 56    |
| HONCOL    | 13    |
| ILS       | 43    |
| INFOSYS   | 9     |
| INTEGART  | 7     |
| INTEGSCI  | 22    |
| INTER-AG  | 18    |
| INTER-HE  | 11    |
| INTER-LS  | 22    |
| INTEREGR  | 16    |
| INTLBUS   | 21    |
| INTLST    | 50    |
| ISYE      | 83    |
| ITALIAN   | 53    |
| JEWISH    | 56    |
| JOURN     | 88    |
| KINES     | 128   |
| LACIS     | 26    |
| LANDARC   | 61    |
| LATIN     | 24    |
| LAW       | 120   |
| LEGALST   | 48    |
| LINGUIS   | 35    |
| LIS       | 89    |
| LITTRANS  | 78    |
| LSC       | 52    |
| M\&ENVTOX | 7     |
| MARKETNG  | 62    |
| MATH      | 153   |
| MDGENET   | 8     |
| ME        | 130   |
| MEDHIST   | 43    |
| MEDICINE  | 60    |
| MEDIEVAL  | 32    |
| MEDPHYS   | 39    |
| MEDSC-M   | 29    |
| MEDSC-V   | 41    |
| MHR       | 68    |
| MICROBIO  | 45    |
| MILSCI    | 16    |
| MM\&I     | 22    |
| MOLBIOL   | 6     |
| MS\&E     | 59    |
| MUSIC     | 165   |
| MUSPERF   | 126   |
| NAVSCI    | 20    |
| NE        | 44    |
| NEURODPT  | 11    |
| NEUROL    | 7     |
| NEURSURG  | 4     |
| NTP       | 11    |
| NURSING   | 111   |
| NUTRSCI   | 65    |
| OBS\&GYN  | 18    |
| OCCTHER   | 39    |
| ONCOLOGY  | 14    |
| OPHTHALM  | 5     |
| OTM       | 43    |
| PATH      | 34    |
| PATH-BIO  | 29    |
| PEDIAT    | 26    |
| PHARMACY  | 31    |
| PHILOS    | 77    |
| PHMCOL-M  | 11    |
| PHMPRAC   | 45    |
| PHMSCI    | 60    |
| PHYASST   | 37    |
| PHYSICS   | 88    |
| PHYSIOL   | 3     |
| PHYTHER   | 37    |
| PLANTSCI  | 52    |
| PLPATH    | 35    |
| POLISCI   | 192   |
| POPHLTH   | 58    |
| PORTUG    | 33    |
| PSYCH     | 101   |
| PSYCHIAT  | 22    |
| PUBAFFR   | 54    |
| PUBLHLTH  | 23    |
| RADIOL    | 11    |
| REALEST   | 41    |
| RELIGST   | 90    |
| RHABMED   | 9     |
| RMI       | 24    |
| RP\&SE    | 102   |
| S\&APHM   | 17    |
| SCANDST   | 73    |
| SLAVIC    | 89    |
| SOC       | 149   |
| SOCWORK   | 87    |
| SOILSCI   | 46    |
| SPANISH   | 83    |
| SRMED     | 21    |
| STAT      | 94    |
| STDYABRD  | 52    |
| STS       | 8     |
| SURGERY   | 25    |
| SURGSCI   | 33    |
| THEATRE   | 91    |
| URBRPL    | 60    |
| UROLOGY   | 5     |
| ZOOLOGY   | 89    |

## course

### run id

20260907T155543-ce3781c4

### semester

1272

### observed at

2026-09-07 15:55:43.033547+00:00

### record version id

4b1b7fc9540f31f83b6b63b314cf8d330f3b5f8227a6df20dce95e2bcdedb056

### course id

ASTRON 465

### course uid

course\_df220e57909afadf1ac9419c

### catalog version id

25f57ba1a9778333798e680b5857189cbf88c7b46030abc1d00a688264f833ef

### course number

465

### subjects

* ASTRON

### title

OBSERVATIONAL ASTRONOMY AND DATA ANALYSIS

### description

A basic introduction into astronomical observations and data analysis techniques by undertaking observational projects with optical and radio telescopes. Topics covered include observation and data reduction, basic calibration of radio and optical telescopes, basics of data analysis and statistics, presenting scientific results, and basics of scientific ethics. Although specific to observational astrophysics, these methods are applicable to any of the physical sciences disciplines.

### requirements text

PHYSICS 205,241, or249

### credits min

3

### credits max

3

### credit offering ids

* 1272:188:026284

### llm job id

enrich-8b774950c2b6adfdc46d1b82

### llm output id

5551b81fa8f76389e3f16b3deaac026b1c6dcd21c987cd617abfcf2d8d1a66e2

### llm model

nvidia/Qwen3.6-35B-A3B-NVFP4

### llm model revision

1355db6a052410cfd62085d94b58866fd0f2c3c5

### llm task version

14

### llm search status

valid

### llm summary

A basic introduction to observational astronomy and data analysis using optical and radio telescopes.

### llm topics

* Observation, data reduction, calibration, statistics, presentation, and ethics.

### llm skills

* Conducting observational projects and reducing astronomical data.
* Presenting scientific results and applying scientific ethics.

### llm assumed background

* Modern physics concepts including atomic, nuclear, and quantum mechanics.

### llm search phrases

* observational astrophysics techniques
* radio telescope data reduction
* optical telescope calibration
* scientific ethics in astronomy
* astronomical data analysis

### llm requirements status

valid

### llm student summary status

valid

### llm experience status

insufficient\_evidence

### catalog variants

None recorded.

### student summary

#### context hash

37cebd9c047be32b45a86334e625db0e1eec8c765aa577d3425065c24c05fb30

#### course id

ASTRON 465

#### current instructors

```json
[
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    "message": "No course-specific reviews available",
    "name": "Snezana Stanimirovic",
    "review_status": "no_course_reviews",
    "rmp_instructor_id": "rmp:1157081",
    "summary": [
      {
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              "source": "madgrades"
            },
            "table": "section_grades_latest",
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            "type": "grade"
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        ],
        "text": "Recent recorded grades — Fall 2023: 3.68 GPA, 76.5% A/AB (n=17 letter grades); Fall 2024: 3.81 GPA, 91.7% A/AB (n=24 letter grades); Fall 2025: 3.80 GPA, 85.7% A/AB (n=28 letter grades). Includes jointly taught sections."
      }
    ]
  }
]
```

#### difficulty workload

None recorded.

#### errors

None recorded.

#### historical context

None recorded.

#### message

No course-specific reviews available

#### offered

true

#### profile hash

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#### quick take

Recent recorded grades — Fall 2023: 3.68 GPA, 76.5% A/AB (n=17 letter grades); Fall 2024: 3.81 GPA, 91.7% A/AB (n=24 letter grades); Fall 2025: 3.80 GPA, 85.7% A/AB (n=28 letter grades).

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      "table": "grades_latest",
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}
```

#### student experience

None recorded.

#### task hash

74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68

#### teaching history

SNEZANA STANIMIROVIC is recorded teaching in Fall 2023, Fall 2024, Fall 2025. Recorded history may be incomplete and does not establish a future schedule.

```json
{
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      },
      "table": "section_grades_latest",
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  ]
}
```

#### term id

1272

#### term name

2026 Fall

#### version

2

### requirements

#### nodes

```json
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    "id": "n0",
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        "PHYSICS"
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      "timing": "prior"
    },
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        "PHYSICS"
      ],
      "timing": "prior"
    },
    "evidence": "249",
    "id": "n3",
    "kind": "course"
  }
]
```

#### notes

None recorded.

#### root

n0

#### status

parsed

### instructors

```json
[
  {
    "instructor_uid": "instructor_23ebede019b89e38c49f36bb",
    "source": "enrollment",
    "source_instructor_id": "ljrobinson4",
    "identity_basis": "netid",
    "identity_status": "source_identified",
    "name": "Loren Robinson",
    "email": "LJROBINSON4@WISC.EDU",
    "first_observed_at": "2026-09-07 15:55:43.033547+00:00",
    "last_observed_at": "2026-09-07 15:55:43.033547+00:00",
    "instructor_url": "/instructors/LOREN_ROBINSON"
  },
  {
    "instructor_uid": "instructor_ebae4b726e55d5f8ed273e12",
    "source": "enrollment",
    "source_instructor_id": "stanimirovic",
    "identity_basis": "netid",
    "identity_status": "source_identified",
    "name": "Snezana Stanimirovic",
    "email": "SSTANIMI@ASTRO.WISC.EDU",
    "first_observed_at": "2026-09-07 15:55:43.033547+00:00",
    "last_observed_at": "2026-09-07 15:55:43.033547+00:00",
    "ratings": {
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      "quality": 4.08,
      "difficulty": 2.5,
      "quality_count": 12,
      "difficulty_count": 12,
      "profile_id": "rmp:1157081",
      "source_url": "https://www.ratemyprofessors.com/professor/1157081",
      "match_basis": "exact_name",
      "observed_at": "2026-09-07 16:05:23.966414+00:00",
      "courses": {},
      "bayesian_quality": 3.8173036147166224,
      "prior_mean": 3.6596857835465957,
      "prior_weight": 20
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    "instructor_url": "/instructors/SNEZANA_STANIMIROVIC"
  }
]
```

### offerings

```json
[
  {
    "run_id": "20260907T155543-ce3781c4",
    "semester": "1272",
    "observed_at": "2026-09-07 15:55:43.033547+00:00",
    "offering_id": "1272:188:026284",
    "course_id": "ASTRON 465",
    "course_uid": "course_df220e57909afadf1ac9419c",
    "term_id": "1272",
    "source_course_id": "026284",
    "source_subject_id": "188",
    "title": "Observational Astronomy and Data Analysis",
    "credits_min": 3,
    "credits_max": 3,
    "typically_offered": "Not Applicable"
  }
]
```

### sections

```json
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    "observed_at": "2026-09-07 15:55:43.033547+00:00",
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    "enrolled": 37,
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]
```

### grade instructors

```json
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    "source_instructor_id": "4195362",
    "identity_basis": "source_id",
    "identity_status": "source_identified",
    "name": "SNEZANA STANIMIROVIC",
    "email": null,
    "first_observed_at": "2026-09-06 23:14:58.172943+00:00",
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    "ratings": {
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      "profile_id": "rmp:1157081",
      "source_url": "https://www.ratemyprofessors.com/professor/1157081",
      "match_basis": "exact_name",
      "observed_at": "2026-09-07 16:05:23.966414+00:00",
      "courses": {},
      "bayesian_quality": 3.8173036147166224,
      "prior_mean": 3.6596857835465957,
      "prior_weight": 20
    },
    "grade_statistics": {
      "gpa": 3.391,
      "graded": 1031,
      "counts": [
        386,
        265,
        260,
        65,
        36,
        10,
        9
      ],
      "sections": 86
    },
    "instructor_url": "/instructors/SNEZANA_STANIMIROVIC--instructor_c9aabae2e6e26e866850aff8"
  },
  {
    "instructor_uid": "instructor_e0094e48338c3cad59ba8ece",
    "source": "madgrades",
    "source_instructor_id": "6461133",
    "identity_basis": "source_id",
    "identity_status": "source_identified",
    "name": "HONGXING CHEN",
    "email": null,
    "first_observed_at": "2026-09-06 23:14:58.172943+00:00",
    "last_observed_at": "2026-09-07 15:55:43.033547+00:00",
    "grade_statistics": {
      "gpa": 3.812,
      "graded": 24,
      "counts": [
        19,
        3,
        1,
        0,
        1,
        0,
        0
      ],
      "sections": 1
    },
    "instructor_url": "/instructors/HONGXING_CHEN--instructor_e0094e48338c3cad59ba8ece"
  },
  {
    "instructor_uid": "instructor_23ebede019b89e38c49f36bb",
    "source": "enrollment",
    "source_instructor_id": "ljrobinson4",
    "identity_basis": "netid",
    "identity_status": "source_identified",
    "name": "Loren Robinson",
    "email": "LJROBINSON4@WISC.EDU",
    "first_observed_at": "2026-09-07 15:55:43.033547+00:00",
    "last_observed_at": "2026-09-07 15:55:43.033547+00:00",
    "instructor_url": "/instructors/LOREN_ROBINSON"
  },
  {
    "instructor_uid": "instructor_ebae4b726e55d5f8ed273e12",
    "source": "enrollment",
    "source_instructor_id": "stanimirovic",
    "identity_basis": "netid",
    "identity_status": "source_identified",
    "name": "Snezana Stanimirovic",
    "email": "SSTANIMI@ASTRO.WISC.EDU",
    "first_observed_at": "2026-09-07 15:55:43.033547+00:00",
    "last_observed_at": "2026-09-07 15:55:43.033547+00:00",
    "ratings": {
      "review_count": 12,
      "quality": 4.08,
      "difficulty": 2.5,
      "quality_count": 12,
      "difficulty_count": 12,
      "profile_id": "rmp:1157081",
      "source_url": "https://www.ratemyprofessors.com/professor/1157081",
      "match_basis": "exact_name",
      "observed_at": "2026-09-07 16:05:23.966414+00:00",
      "courses": {},
      "bayesian_quality": 3.8173036147166224,
      "prior_mean": 3.6596857835465957,
      "prior_weight": 20
    },
    "instructor_url": "/instructors/SNEZANA_STANIMIROVIC"
  }
]
```

### grades

```json
[
  {
    "run_id": "20260907T155543-ce3781c4",
    "semester": "1272",
    "observed_at": "2026-09-07 15:55:43.033547+00:00",
    "course_id": "ASTRON 465",
    "course_uid": "course_df220e57909afadf1ac9419c",
    "term_id": "1242",
    "term_name": "Fall 2023",
    "instructors": [
      "Snezana Stanimirovic"
    ],
    "a": 10,
    "ab": 3,
    "b": 4,
    "bc": 0,
    "c": 0,
    "d": 0,
    "f": 0,
    "satisfactory": 0,
    "unsatisfactory": 0,
    "credit": 0,
    "no_credit": 0,
    "passed": 0,
    "incomplete": 1,
    "no_work": 0,
    "not_reported": 0,
    "other": 0,
    "total": 18,
    "source_aliases": [
      "ASTRON 465"
    ]
  },
  {
    "run_id": "20260907T155543-ce3781c4",
    "semester": "1272",
    "observed_at": "2026-09-07 15:55:43.033547+00:00",
    "course_id": "ASTRON 465",
    "course_uid": "course_df220e57909afadf1ac9419c",
    "term_id": "1252",
    "term_name": "Fall 2024",
    "instructors": [
      "HONGXING CHEN",
      "Snezana Stanimirovic"
    ],
    "a": 19,
    "ab": 3,
    "b": 1,
    "bc": 0,
    "c": 1,
    "d": 0,
    "f": 0,
    "satisfactory": 0,
    "unsatisfactory": 0,
    "credit": 0,
    "no_credit": 0,
    "passed": 0,
    "incomplete": 1,
    "no_work": 0,
    "not_reported": 0,
    "other": 0,
    "total": 25,
    "source_aliases": [
      "ASTRON 465"
    ]
  },
  {
    "run_id": "20260907T155543-ce3781c4",
    "semester": "1272",
    "observed_at": "2026-09-07 15:55:43.033547+00:00",
    "course_id": "ASTRON 465",
    "course_uid": "course_df220e57909afadf1ac9419c",
    "term_id": "1262",
    "term_name": "Fall 2025",
    "instructors": [
      "Snezana Stanimirovic"
    ],
    "a": 24,
    "ab": 0,
    "b": 2,
    "bc": 1,
    "c": 1,
    "d": 0,
    "f": 0,
    "satisfactory": 0,
    "unsatisfactory": 0,
    "credit": 0,
    "no_credit": 0,
    "passed": 0,
    "incomplete": 0,
    "no_work": 0,
    "not_reported": 0,
    "other": 0,
    "total": 28,
    "source_aliases": [
      "ASTRON 465"
    ]
  }
]
```

### statistics

#### gpa

3.775

#### graded

69

#### counts

* 53
* 6
* 7
* 1
* 2
* 0
* 0

### grade conflicts

None recorded.

### evidence

#### history

* [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course\_df220e57909afadf1ac9419c-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course_df220e57909afadf1ac9419c-0.json)

#### traces

* [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/traces/course\_df220e57909afadf1ac9419c-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/traces/course_df220e57909afadf1ac9419c-0.json)

#### meetings

* [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/meetings/course\_df220e57909afadf1ac9419c-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/meetings/course_df220e57909afadf1ac9419c-0.json)

#### results

* [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/results/course\_df220e57909afadf1ac9419c-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/results/course_df220e57909afadf1ac9419c-0.json)

### revision

e243353dcb7d79b7247ced91d69443ef4c2a6349

## context

### all

#### term



#### gpa

3.7753623188405796

#### count

69

#### university

##### size

2460

##### gpa Percentile

55

##### count Percentile

37

##### median Count

94

##### histogram

| range   | count | current |
| ------- | ----- | ------- |
| 0.0–0.4 | 0     | false   |
| 0.4–0.8 | 0     | false   |
| 0.8–1.2 | 0     | false   |
| 1.2–1.6 | 0     | false   |
| 1.6–2.0 | 0     | false   |
| 2.0–2.4 | 0     | false   |
| 2.4–2.8 | 6     | false   |
| 2.8–3.2 | 170   | false   |
| 3.2–3.6 | 630   | false   |
| 3.6–4.0 | 1654  | true    |

#### departments

```json
[
  {
    "subject": "ASTRON",
    "comparison": {
      "size": 11,
      "gpaPercentile": 70,
      "countPercentile": 50,
      "medianCount": 69,
      "histogram": [
        {
          "range": "0.0–0.4",
          "count": 0,
          "current": false
        },
        {
          "range": "0.4–0.8",
          "count": 0,
          "current": false
        },
        {
          "range": "0.8–1.2",
          "count": 0,
          "current": false
        },
        {
          "range": "1.2–1.6",
          "count": 0,
          "current": false
        },
        {
          "range": "1.6–2.0",
          "count": 0,
          "current": false
        },
        {
          "range": "2.0–2.4",
          "count": 0,
          "current": false
        },
        {
          "range": "2.4–2.8",
          "count": 0,
          "current": false
        },
        {
          "range": "2.8–3.2",
          "count": 3,
          "current": false
        },
        {
          "range": "3.2–3.6",
          "count": 4,
          "current": false
        },
        {
          "range": "3.6–4.0",
          "count": 4,
          "current": true
        }
      ]
    }
  }
]
```

### terms

#### 1242

##### term

1242

##### gpa

3.676470588235294

##### count

17

##### departments

| subject | comparison |
| ------- | ---------- |
| ASTRON  |            |

#### 1252

##### term

1252

##### gpa

3.8125

##### count

24

##### departments

| subject | comparison |
| ------- | ---------- |
| ASTRON  |            |

#### 1262

##### term

1262

##### gpa

3.8035714285714284

##### count

28

##### departments

| subject | comparison |
| ------- | ---------- |
| ASTRON  |            |

### benchmarks

#### all

##### school

###### size

2460

###### gpa

3.6795793071535745

###### top Share

83.15650336722103

###### count

94

##### ASTRON

###### size

11

###### gpa

3.5434585847996134

###### top Share

74.96698709103157

###### count

69

#### terms

##### 1242

###### school

###### size

1295

###### gpa

3.595302892737449

###### top Share

78.36291889885307

###### count

67

##### 1252

###### school

###### size

1333

###### gpa

3.619494049739118

###### top Share

79.71442190500672

###### count

69

##### 1262

###### school

###### size

1320

###### gpa

3.628825763035853

###### top Share

80.21118846327654

###### count

70

## instructor Trends

```json
[
  {
    "uid": "instructor_c9aabae2e6e26e866850aff8",
    "name": "SNEZANA STANIMIROVIC",
    "count": 69,
    "terms": [
      {
        "term": "1242",
        "count": 17,
        "sections": 1,
        "gpa": 3.676470588235294
      },
      {
        "term": "1252",
        "count": 24,
        "sections": 1,
        "gpa": 3.8125
      },
      {
        "term": "1262",
        "count": 28,
        "sections": 1,
        "gpa": 3.8035714285714284
      }
    ]
  },
  {
    "uid": "instructor_e0094e48338c3cad59ba8ece",
    "name": "HONGXING CHEN",
    "count": 24,
    "terms": [
      {
        "term": "1252",
        "count": 24,
        "sections": 1,
        "gpa": 3.8125
      }
    ]
  }
]
```

## following

None recorded.
