Exposure
- ID
- GRAVI.2025-11-09T01:44:22.536_2
- Header ID
- GRAVI.2025-11-09T01:44:22.536
- Date updated
- 2025-11-09 01:50:41 UTC+0000
- Release date
- 2026-11-09 01:50:41 UTC+0000
- UTC Start
- 2025-11-09 01:44:22.536
- UTC End
- 2025-11-09 01:45:46.536
- MJD Start
- 60988.07248305
- MJD End
- 60988.07345527222
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035399999999999997
- Ambient temperature (°C)
- 13.38
- Seeing (arcsec)
- 0.6799999999999999
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 | 44.3910 | 44.3100 | 42.0000 | 42.2000 |
| U1-U3 | 82.1140 | 81.9530 | 49.7000 | 50.0000 |
| U1-U4 | 118.2260 | 118.0420 | 79.4360 | 79.8050 |
| U2-U3 | 38.5940 | 38.5170 | 58.6000 | 59.0000 |
| U2-U4 | 87.2740 | 87.2070 | 97.4570 | 97.8480 |
| U3-U4 | 62.1140 | 62.1330 | 120.3830 | 120.7580 |
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 | 60988.07248305 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 218711 |
| HIERARCH ESO INS SOBJ NAME | HD_218711 |
| RA | 347.800276 |
| DEC | -63.19004 |
| 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 | 44.391 |
| HIERARCH ESO ISS PBL12 END | 44.31 |
| HIERARCH ESO ISS PBLA12 START | 42.0 |
| HIERARCH ESO ISS PBLA12 END | 42.2 |
| HIERARCH ESO ISS PBL13 START | 82.114 |
| HIERARCH ESO ISS PBL13 END | 81.953 |
| HIERARCH ESO ISS PBLA13 START | 49.7 |
| HIERARCH ESO ISS PBLA13 END | 50.0 |
| HIERARCH ESO ISS PBL14 START | 118.226 |
| HIERARCH ESO ISS PBL14 END | 118.042 |
| HIERARCH ESO ISS PBLA14 START | 79.436 |
| HIERARCH ESO ISS PBLA14 END | 79.805 |
| HIERARCH ESO ISS PBL23 START | 38.594 |
| HIERARCH ESO ISS PBL23 END | 38.517 |
| HIERARCH ESO ISS PBLA23 START | 58.6 |
| HIERARCH ESO ISS PBLA23 END | 59.0 |
| HIERARCH ESO ISS PBL24 START | 87.274 |
| HIERARCH ESO ISS PBL24 END | 87.207 |
| HIERARCH ESO ISS PBLA24 START | 97.457 |
| HIERARCH ESO ISS PBLA24 END | 97.848 |
| HIERARCH ESO ISS PBL34 START | 62.114 |
| HIERARCH ESO ISS PBL34 END | 62.133 |
| HIERARCH ESO ISS PBLA34 START | 120.383 |
| HIERARCH ESO ISS PBLA34 END | 120.758 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002979 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004101 |
| HIERARCH ESO ISS AMBI TEMP | 13.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | HD_218711 |
| HIERARCH ESO FT ROBJ ALPHA | 231110.556 |
| HIERARCH ESO FT ROBJ DELTA | -631123.884 |