Exposure
- ID
- GRAVI.2025-11-09T01:46:28.541_2
- Header ID
- GRAVI.2025-11-09T01:46:28.541
- Date updated
- 2025-11-09 01:56:04 UTC+0000
- Release date
- 2026-11-09 01:56:04 UTC+0000
- UTC Start
- 2025-11-09 01:46:28.541
- UTC End
- 2025-11-09 01:47:52.541
- MJD Start
- 60988.07394145
- MJD End
- 60988.07491367222
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0046545
- Ambient temperature (°C)
- 13.38
- Seeing (arcsec)
- 0.655
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 | 44.2940 | 44.2110 | 42.3000 | 42.6000 |
| U1-U3 | 81.9210 | 81.7550 | 50.1000 | 50.4000 |
| U1-U4 | 118.0050 | 117.8150 | 79.8780 | 80.2570 |
| U2-U3 | 38.5020 | 38.4230 | 59.0000 | 59.3000 |
| U2-U4 | 87.1940 | 87.1240 | 97.9250 | 98.3260 |
| U3-U4 | 62.1370 | 62.1560 | 120.8320 | 121.2160 |
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 | 60988.07394145 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 218711 |
| HIERARCH ESO INS SOBJ NAME | HD_218711 |
| RA | 347.800274 |
| 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 | 44.294 |
| HIERARCH ESO ISS PBL12 END | 44.211 |
| HIERARCH ESO ISS PBLA12 START | 42.3 |
| HIERARCH ESO ISS PBLA12 END | 42.6 |
| HIERARCH ESO ISS PBL13 START | 81.921 |
| HIERARCH ESO ISS PBL13 END | 81.755 |
| HIERARCH ESO ISS PBLA13 START | 50.1 |
| HIERARCH ESO ISS PBLA13 END | 50.4 |
| HIERARCH ESO ISS PBL14 START | 118.005 |
| HIERARCH ESO ISS PBL14 END | 117.815 |
| HIERARCH ESO ISS PBLA14 START | 79.878 |
| HIERARCH ESO ISS PBLA14 END | 80.257 |
| HIERARCH ESO ISS PBL23 START | 38.502 |
| HIERARCH ESO ISS PBL23 END | 38.423 |
| HIERARCH ESO ISS PBLA23 START | 59.0 |
| HIERARCH ESO ISS PBLA23 END | 59.3 |
| HIERARCH ESO ISS PBL24 START | 87.194 |
| HIERARCH ESO ISS PBL24 END | 87.124 |
| HIERARCH ESO ISS PBLA24 START | 97.925 |
| HIERARCH ESO ISS PBLA24 END | 98.326 |
| HIERARCH ESO ISS PBL34 START | 62.137 |
| HIERARCH ESO ISS PBL34 END | 62.156 |
| HIERARCH ESO ISS PBLA34 START | 120.832 |
| HIERARCH ESO ISS PBLA34 END | 121.216 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004101 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005208 |
| HIERARCH ESO ISS AMBI TEMP | 13.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | HD_218711 |
| HIERARCH ESO FT ROBJ ALPHA | 231110.556 |
| HIERARCH ESO FT ROBJ DELTA | -631123.884 |