Exposure
- ID
- GRAVI.2025-04-06T01:50:32.996_2
- Header ID
- GRAVI.2025-04-06T01:50:32.996
- Date updated
- 2025-04-06 02:00:57 UTC+0000
- Release date
- 2025-04-06 01:50:32 UTC+0000
- UTC Start
- 2025-04-06 01:50:32.996
- UTC End
- 2025-04-06 01:54:32.996
- MJD Start
- 60771.07677079
- MJD End
- 60771.07954856778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0084635
- Ambient temperature (°C)
- 15.82
- Seeing (arcsec)
- 0.535
Observation
- ID
- 66052
- Category
- calibrator
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 49171
- Name
- hd90444a
- RA
- 156.72087499999998
- DEC
- 17.219415555555553
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 22.2720 | 22.1180 | 133.8000 | 133.9000 |
| A0-D0 | 30.5510 | 30.7100 | 76.8000 | 76.6000 |
| A0-C1 | 22.1030 | 22.0210 | 111.1140 | 110.8800 |
| B2-D0 | 26.2280 | 26.4260 | 31.4000 | 31.8000 |
| B2-C1 | 8.7360 | 8.8010 | 31.3680 | 31.7520 |
| D0-C1 | 17.4930 | 17.6250 | 211.4470 | 211.8300 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9801(U) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60771.07677079 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd90444b |
| HIERARCH ESO INS SOBJ NAME | hd90444b |
| RA | 156.718362 |
| DEC | 17.21894 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 22.272 |
| HIERARCH ESO ISS PBL12 END | 22.118 |
| HIERARCH ESO ISS PBLA12 START | 133.8 |
| HIERARCH ESO ISS PBLA12 END | 133.9 |
| HIERARCH ESO ISS PBL13 START | 30.551 |
| HIERARCH ESO ISS PBL13 END | 30.71 |
| HIERARCH ESO ISS PBLA13 START | 76.8 |
| HIERARCH ESO ISS PBLA13 END | 76.6 |
| HIERARCH ESO ISS PBL14 START | 22.103 |
| HIERARCH ESO ISS PBL14 END | 22.021 |
| HIERARCH ESO ISS PBLA14 START | 111.114 |
| HIERARCH ESO ISS PBLA14 END | 110.88 |
| HIERARCH ESO ISS PBL23 START | 26.228 |
| HIERARCH ESO ISS PBL23 END | 26.426 |
| HIERARCH ESO ISS PBLA23 START | 31.4 |
| HIERARCH ESO ISS PBLA23 END | 31.8 |
| HIERARCH ESO ISS PBL24 START | 8.736 |
| HIERARCH ESO ISS PBL24 END | 8.801 |
| HIERARCH ESO ISS PBLA24 START | 31.368 |
| HIERARCH ESO ISS PBLA24 END | 31.752 |
| HIERARCH ESO ISS PBL34 START | 17.493 |
| HIERARCH ESO ISS PBL34 END | 17.625 |
| HIERARCH ESO ISS PBLA34 START | 211.447 |
| HIERARCH ESO ISS PBLA34 END | 211.83 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009756 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007171 |
| HIERARCH ESO ISS AMBI TEMP | 15.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | hd90444a |
| HIERARCH ESO FT ROBJ ALPHA | 102653.010 |
| HIERARCH ESO FT ROBJ DELTA | 171309.896 |