Exposure
- ID
- GRAVI.2025-10-03T03:41:40.479_2
- Header ID
- GRAVI.2025-10-03T03:41:40.479
- Date updated
- 2025-10-03 03:50:49 UTC+0000
- Release date
- 2025-10-03 03:41:40 UTC+0000
- UTC Start
- 2025-10-03 03:41:40.479
- UTC End
- 2025-10-03 03:43:00.479
- MJD Start
- 60951.15394073
- MJD End
- 60951.154866655925
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008271
- Ambient temperature (°C)
- 15.18
- Seeing (arcsec)
- 0.575
Observation
- ID
- 70577
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52337
- Name
- hd1663b
- RA
- 5.227462499999999
- DEC
- 10.976903333333333
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 45.9080 | 46.0070 | 27.8000 | 28.0000 |
| U1-U3 | 84.3970 | 84.6140 | 35.5000 | 35.6000 |
| U1-U4 | 118.6780 | 118.9900 | 65.5920 | 65.5880 |
| U2-U3 | 39.3660 | 39.4780 | 44.3000 | 44.4000 |
| U2-U4 | 87.0390 | 87.1690 | 84.4320 | 84.3680 |
| U3-U4 | 62.3110 | 62.2820 | 108.4380 | 108.3740 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60951.15394073 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd1663b |
| HIERARCH ESO INS SOBJ NAME | hd1663b |
| RA | 5.229275 |
| DEC | 10.97685 |
| 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 | 95.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 45.908 |
| HIERARCH ESO ISS PBL12 END | 46.007 |
| HIERARCH ESO ISS PBLA12 START | 27.8 |
| HIERARCH ESO ISS PBLA12 END | 28.0 |
| HIERARCH ESO ISS PBL13 START | 84.397 |
| HIERARCH ESO ISS PBL13 END | 84.614 |
| HIERARCH ESO ISS PBLA13 START | 35.5 |
| HIERARCH ESO ISS PBLA13 END | 35.6 |
| HIERARCH ESO ISS PBL14 START | 118.678 |
| HIERARCH ESO ISS PBL14 END | 118.99 |
| HIERARCH ESO ISS PBLA14 START | 65.592 |
| HIERARCH ESO ISS PBLA14 END | 65.588 |
| HIERARCH ESO ISS PBL23 START | 39.366 |
| HIERARCH ESO ISS PBL23 END | 39.478 |
| HIERARCH ESO ISS PBLA23 START | 44.3 |
| HIERARCH ESO ISS PBLA23 END | 44.4 |
| HIERARCH ESO ISS PBL24 START | 87.039 |
| HIERARCH ESO ISS PBL24 END | 87.169 |
| HIERARCH ESO ISS PBLA24 START | 84.432 |
| HIERARCH ESO ISS PBLA24 END | 84.368 |
| HIERARCH ESO ISS PBL34 START | 62.311 |
| HIERARCH ESO ISS PBL34 END | 62.282 |
| HIERARCH ESO ISS PBLA34 START | 108.438 |
| HIERARCH ESO ISS PBLA34 END | 108.374 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008271 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008271 |
| HIERARCH ESO ISS AMBI TEMP | 15.18 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | hd1663b |
| HIERARCH ESO FT ROBJ ALPHA | 002054.591 |
| HIERARCH ESO FT ROBJ DELTA | 105836.852 |