Exposure
- ID
- GRAVI.2025-11-05T09:16:07.826_2
- Header ID
- GRAVI.2025-11-05T09:16:07.826
- Date updated
- 2025-11-05 09:21:24 UTC+0000
- Release date
- 2025-11-05 09:16:07 UTC+0000
- UTC Start
- 2025-11-05 09:16:07.826
- UTC End
- 2025-11-05 09:16:46.226
- MJD Start
- 60984.38620169
- MJD End
- 60984.386646134444
- Exposure time (s)
- 38.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002839
- Ambient temperature (°C)
- 11.25
- Seeing (arcsec)
- 1.0
Observation
- ID
- 71157
- Category
- calibrator
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 52825
- Name
- HD_73900
- RA
- 129.84182791666666
- DEC
- -36.60680238888889
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 | 56.2770 | 56.2700 | 18.4000 | 18.5000 |
| U1-U3 | 102.2130 | 102.2020 | 24.4000 | 24.6000 |
| U1-U4 | 129.6920 | 129.7260 | 51.0430 | 51.2200 |
| U2-U3 | 46.6280 | 46.6260 | 31.7000 | 31.9000 |
| U2-U4 | 87.7510 | 87.8140 | 71.3010 | 71.4800 |
| U3-U4 | 59.7240 | 59.7930 | 101.1320 | 101.2840 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.29H7.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60984.38620169 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 73900 |
| HIERARCH ESO INS SOBJ NAME | HD_73900 |
| RA | 129.842958 |
| DEC | -36.6062 |
| 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 | 69.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 128 |
| HIERARCH ESO ISS PBL12 START | 56.277 |
| HIERARCH ESO ISS PBL12 END | 56.27 |
| HIERARCH ESO ISS PBLA12 START | 18.4 |
| HIERARCH ESO ISS PBLA12 END | 18.5 |
| HIERARCH ESO ISS PBL13 START | 102.213 |
| HIERARCH ESO ISS PBL13 END | 102.202 |
| HIERARCH ESO ISS PBLA13 START | 24.4 |
| HIERARCH ESO ISS PBLA13 END | 24.6 |
| HIERARCH ESO ISS PBL14 START | 129.692 |
| HIERARCH ESO ISS PBL14 END | 129.726 |
| HIERARCH ESO ISS PBLA14 START | 51.043 |
| HIERARCH ESO ISS PBLA14 END | 51.22 |
| HIERARCH ESO ISS PBL23 START | 46.628 |
| HIERARCH ESO ISS PBL23 END | 46.626 |
| HIERARCH ESO ISS PBLA23 START | 31.7 |
| HIERARCH ESO ISS PBLA23 END | 31.9 |
| HIERARCH ESO ISS PBL24 START | 87.751 |
| HIERARCH ESO ISS PBL24 END | 87.814 |
| HIERARCH ESO ISS PBLA24 START | 71.301 |
| HIERARCH ESO ISS PBLA24 END | 71.48 |
| HIERARCH ESO ISS PBL34 START | 59.724 |
| HIERARCH ESO ISS PBL34 END | 59.793 |
| HIERARCH ESO ISS PBLA34 START | 101.132 |
| HIERARCH ESO ISS PBLA34 END | 101.284 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002839 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002839 |
| HIERARCH ESO ISS AMBI TEMP | 11.25 |
| HIERARCH ESO ISS AMBI FWHM START | 1.0 |
| HIERARCH ESO ISS AMBI FWHM END | 1.0 |
| HIERARCH ESO FT ROBJ NAME | HD_73900 |
| HIERARCH ESO FT ROBJ ALPHA | 083922.0387 |
| HIERARCH ESO FT ROBJ DELTA | -363624.4886 |