Exposure
- ID
- GRAVI.2025-11-07T08:30:54.304_1
- Header ID
- GRAVI.2025-11-07T08:30:54.304
- Date updated
- 2025-11-07 08:40:56 UTC+0000
- Release date
- 2026-11-07 08:40:56 UTC+0000
- UTC Start
- 2025-11-07 08:30:54.304
- UTC End
- 2025-11-07 08:33:42.304
- MJD Start
- 60986.35479518
- MJD End
- 60986.35673962445
- Exposure time (s)
- 168.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0016255
- Ambient temperature (°C)
- 8.18
- Seeing (arcsec)
- 2.335
Observation
- ID
- 71220
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 52887
- Name
- HD_31430
- RA
- 73.51995
- DEC
- -38.16258
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.2070 | 51.0340 | 38.9000 | 39.1000 |
| U1-U3 | 91.5760 | 91.1990 | 45.7000 | 46.0000 |
| U1-U4 | 113.9780 | 113.2730 | 77.3760 | 77.8080 |
| U2-U3 | 41.1900 | 40.9860 | 54.2000 | 54.5000 |
| U2-U4 | 80.5060 | 80.0670 | 100.7140 | 101.2850 |
| U3-U4 | 60.0970 | 59.9480 | 130.5180 | 131.1510 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.29H7.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60986.35479518 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 31430 |
| HIERARCH ESO INS SOBJ NAME | HD_31430 |
| RA | 73.51995 |
| DEC | -38.16258 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 204.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 168 |
| HIERARCH ESO ISS PBL12 START | 51.207 |
| HIERARCH ESO ISS PBL12 END | 51.034 |
| HIERARCH ESO ISS PBLA12 START | 38.9 |
| HIERARCH ESO ISS PBLA12 END | 39.1 |
| HIERARCH ESO ISS PBL13 START | 91.576 |
| HIERARCH ESO ISS PBL13 END | 91.199 |
| HIERARCH ESO ISS PBLA13 START | 45.7 |
| HIERARCH ESO ISS PBLA13 END | 46.0 |
| HIERARCH ESO ISS PBL14 START | 113.978 |
| HIERARCH ESO ISS PBL14 END | 113.273 |
| HIERARCH ESO ISS PBLA14 START | 77.376 |
| HIERARCH ESO ISS PBLA14 END | 77.808 |
| HIERARCH ESO ISS PBL23 START | 41.19 |
| HIERARCH ESO ISS PBL23 END | 40.986 |
| HIERARCH ESO ISS PBLA23 START | 54.2 |
| HIERARCH ESO ISS PBLA23 END | 54.5 |
| HIERARCH ESO ISS PBL24 START | 80.506 |
| HIERARCH ESO ISS PBL24 END | 80.067 |
| HIERARCH ESO ISS PBLA24 START | 100.714 |
| HIERARCH ESO ISS PBLA24 END | 101.285 |
| HIERARCH ESO ISS PBL34 START | 60.097 |
| HIERARCH ESO ISS PBL34 END | 59.948 |
| HIERARCH ESO ISS PBLA34 START | 130.518 |
| HIERARCH ESO ISS PBLA34 END | 131.151 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001665 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001586 |
| HIERARCH ESO ISS AMBI TEMP | 8.18 |
| HIERARCH ESO ISS AMBI FWHM START | 2.12 |
| HIERARCH ESO ISS AMBI FWHM END | 2.55 |
| HIERARCH ESO FT ROBJ NAME | HD_31430 |
| HIERARCH ESO FT ROBJ ALPHA | 045404.100 |
| HIERARCH ESO FT ROBJ DELTA | -380946.324 |