Exposure
- ID
- GRAVI.2025-11-09T01:19:16.472_2
- Header ID
- GRAVI.2025-11-09T01:19:16.472
- Date updated
- 2025-11-09 01:26:17 UTC+0000
- Release date
- 2026-11-09 01:26:17 UTC+0000
- UTC Start
- 2025-11-09 01:19:16.472
- UTC End
- 2025-11-09 01:19:45.272
- MJD Start
- 60988.05505176
- MJD End
- 60988.05538509333
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004228
- Ambient temperature (°C)
- 14.07
- Seeing (arcsec)
- 0.745
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 | 45.4900 | 45.4560 | 38.0000 | 38.2000 |
| U1-U3 | 84.3100 | 84.2420 | 45.5000 | 45.6000 |
| U1-U4 | 120.7320 | 120.6540 | 74.1040 | 74.2800 |
| U2-U3 | 39.6460 | 39.6130 | 54.0000 | 54.2000 |
| U2-U4 | 88.1350 | 88.1100 | 91.7970 | 91.9830 |
| U3-U4 | 61.7590 | 61.7730 | 114.9410 | 115.1210 |
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 | 60988.05505176 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 218711 |
| HIERARCH ESO INS SOBJ NAME | HD_218711 |
| RA | 347.800257 |
| DEC | -63.19002 |
| 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 | 55.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 96 |
| HIERARCH ESO ISS PBL12 START | 45.49 |
| HIERARCH ESO ISS PBL12 END | 45.456 |
| HIERARCH ESO ISS PBLA12 START | 38.0 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 84.31 |
| HIERARCH ESO ISS PBL13 END | 84.242 |
| HIERARCH ESO ISS PBLA13 START | 45.5 |
| HIERARCH ESO ISS PBLA13 END | 45.6 |
| HIERARCH ESO ISS PBL14 START | 120.732 |
| HIERARCH ESO ISS PBL14 END | 120.654 |
| HIERARCH ESO ISS PBLA14 START | 74.104 |
| HIERARCH ESO ISS PBLA14 END | 74.28 |
| HIERARCH ESO ISS PBL23 START | 39.646 |
| HIERARCH ESO ISS PBL23 END | 39.613 |
| HIERARCH ESO ISS PBLA23 START | 54.0 |
| HIERARCH ESO ISS PBLA23 END | 54.2 |
| HIERARCH ESO ISS PBL24 START | 88.135 |
| HIERARCH ESO ISS PBL24 END | 88.11 |
| HIERARCH ESO ISS PBLA24 START | 91.797 |
| HIERARCH ESO ISS PBLA24 END | 91.983 |
| HIERARCH ESO ISS PBL34 START | 61.759 |
| HIERARCH ESO ISS PBL34 END | 61.773 |
| HIERARCH ESO ISS PBLA34 START | 114.941 |
| HIERARCH ESO ISS PBLA34 END | 115.121 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003789 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004667 |
| HIERARCH ESO ISS AMBI TEMP | 14.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | HD_218711 |
| HIERARCH ESO FT ROBJ ALPHA | 231110.556 |
| HIERARCH ESO FT ROBJ DELTA | -631123.884 |