Exposure
- ID
- GRAVI.2025-04-06T02:10:33.047_2
- Header ID
- GRAVI.2025-04-06T02:10:33.047
- Date updated
- 2025-04-06 02:15:54 UTC+0000
- Release date
- 2025-04-06 02:10:33 UTC+0000
- UTC Start
- 2025-04-06 02:10:33.047
- UTC End
- 2025-04-06 02:11:53.047
- MJD Start
- 60771.09066027
- MJD End
- 60771.09158619592
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061105
- Ambient temperature (°C)
- 15.98
- Seeing (arcsec)
- 0.61
Observation
- ID
- 66054
- Category
- calibrator
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 49173
- Name
- hd90444b
- RA
- 156.72099708333332
- DEC
- 17.219214055555554
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 | 21.5110 | 21.4490 | 134.3000 | 134.3000 |
| A0-D0 | 31.2240 | 31.2670 | 75.7000 | 75.6000 |
| A0-C1 | 21.6580 | 21.6180 | 110.0790 | 109.9980 |
| B2-D0 | 27.1640 | 27.2360 | 33.1000 | 33.2000 |
| B2-C1 | 9.0470 | 9.0710 | 33.0780 | 33.1900 |
| D0-C1 | 18.1170 | 18.1650 | 213.1520 | 213.2640 |
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 | 60771.09066027 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd90444b |
| HIERARCH ESO INS SOBJ NAME | hd90444a |
| 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 | 95.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 21.511 |
| HIERARCH ESO ISS PBL12 END | 21.449 |
| HIERARCH ESO ISS PBLA12 START | 134.3 |
| HIERARCH ESO ISS PBLA12 END | 134.3 |
| HIERARCH ESO ISS PBL13 START | 31.224 |
| HIERARCH ESO ISS PBL13 END | 31.267 |
| HIERARCH ESO ISS PBLA13 START | 75.7 |
| HIERARCH ESO ISS PBLA13 END | 75.6 |
| HIERARCH ESO ISS PBL14 START | 21.658 |
| HIERARCH ESO ISS PBL14 END | 21.618 |
| HIERARCH ESO ISS PBLA14 START | 110.079 |
| HIERARCH ESO ISS PBLA14 END | 109.998 |
| HIERARCH ESO ISS PBL23 START | 27.164 |
| HIERARCH ESO ISS PBL23 END | 27.236 |
| HIERARCH ESO ISS PBLA23 START | 33.1 |
| HIERARCH ESO ISS PBLA23 END | 33.2 |
| HIERARCH ESO ISS PBL24 START | 9.047 |
| HIERARCH ESO ISS PBL24 END | 9.071 |
| HIERARCH ESO ISS PBLA24 START | 33.078 |
| HIERARCH ESO ISS PBLA24 END | 33.19 |
| HIERARCH ESO ISS PBL34 START | 18.117 |
| HIERARCH ESO ISS PBL34 END | 18.165 |
| HIERARCH ESO ISS PBLA34 START | 213.152 |
| HIERARCH ESO ISS PBLA34 END | 213.264 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005837 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006384 |
| HIERARCH ESO ISS AMBI TEMP | 15.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | hd90444b |
| HIERARCH ESO FT ROBJ ALPHA | 102653.0393 |
| HIERARCH ESO FT ROBJ DELTA | 171309.1706 |