Exposure
- ID
- GRAVI.2025-11-09T01:25:10.487_2
- Header ID
- GRAVI.2025-11-09T01:25:10.487
- Date updated
- 2025-11-09 01:30:51 UTC+0000
- Release date
- 2026-11-09 01:30:51 UTC+0000
- UTC Start
- 2025-11-09 01:25:10.487
- UTC End
- 2025-11-09 01:26:34.487
- MJD Start
- 60988.05914916
- MJD End
- 60988.06012138222
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036985
- Ambient temperature (°C)
- 13.88
- Seeing (arcsec)
- 0.7
Observation
- ID
- 71278
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 52926
- Name
- HD_218711
- RA
- 347.79398333333324
- DEC
- -63.189967777777774
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 | 45.2430 | 45.1700 | 39.0000 | 39.2000 |
| U1-U3 | 83.8160 | 83.6680 | 46.5000 | 46.8000 |
| U1-U4 | 120.1710 | 120.0040 | 75.3550 | 75.7210 |
| U2-U3 | 39.4090 | 39.3390 | 55.1000 | 55.4000 |
| U2-U4 | 87.9510 | 87.8950 | 93.1250 | 93.5140 |
| U3-U4 | 61.8550 | 61.8820 | 116.2210 | 116.5960 |
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 | 60988.05914916 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 218711 |
| HIERARCH ESO INS SOBJ NAME | HD_218711 |
| RA | 347.800257 |
| DEC | -63.19003 |
| 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 | 109.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 84 |
| HIERARCH ESO ISS PBL12 START | 45.243 |
| HIERARCH ESO ISS PBL12 END | 45.17 |
| HIERARCH ESO ISS PBLA12 START | 39.0 |
| HIERARCH ESO ISS PBLA12 END | 39.2 |
| HIERARCH ESO ISS PBL13 START | 83.816 |
| HIERARCH ESO ISS PBL13 END | 83.668 |
| HIERARCH ESO ISS PBLA13 START | 46.5 |
| HIERARCH ESO ISS PBLA13 END | 46.8 |
| HIERARCH ESO ISS PBL14 START | 120.171 |
| HIERARCH ESO ISS PBL14 END | 120.004 |
| HIERARCH ESO ISS PBLA14 START | 75.355 |
| HIERARCH ESO ISS PBLA14 END | 75.721 |
| HIERARCH ESO ISS PBL23 START | 39.409 |
| HIERARCH ESO ISS PBL23 END | 39.339 |
| HIERARCH ESO ISS PBLA23 START | 55.1 |
| HIERARCH ESO ISS PBLA23 END | 55.4 |
| HIERARCH ESO ISS PBL24 START | 87.951 |
| HIERARCH ESO ISS PBL24 END | 87.895 |
| HIERARCH ESO ISS PBLA24 START | 93.125 |
| HIERARCH ESO ISS PBLA24 END | 93.514 |
| HIERARCH ESO ISS PBL34 START | 61.855 |
| HIERARCH ESO ISS PBL34 END | 61.882 |
| HIERARCH ESO ISS PBLA34 START | 116.221 |
| HIERARCH ESO ISS PBLA34 END | 116.596 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003934 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003463 |
| HIERARCH ESO ISS AMBI TEMP | 13.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | HD_218711 |
| HIERARCH ESO FT ROBJ ALPHA | 231110.556 |
| HIERARCH ESO FT ROBJ DELTA | -631123.884 |