Exposure
- ID
- GRAVI.2025-03-12T04:48:02.460_2
- Header ID
- GRAVI.2025-03-12T04:48:02.460
- Date updated
- 2025-03-12 05:00:44 UTC+0000
- Release date
- 2025-03-12 04:48:02 UTC+0000
- UTC Start
- 2025-03-12 04:48:02.460
- UTC End
- 2025-03-12 04:52:02.460
- MJD Start
- 60746.20002847
- MJD End
- 60746.20280624778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0136445
- Ambient temperature (°C)
- 13.93
- Seeing (arcsec)
- 0.41000000000000003
Observation
- ID
- 65027
- Category
- calibrator
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 48417
- Name
- hd91881a
- RA
- 159.01878749999997
- DEC
- -26.675483055555556
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 | 25.2190 | 25.2010 | 148.4000 | 148.9000 |
| A0-D0 | 31.3810 | 31.2760 | 76.3000 | 76.7000 |
| A0-C1 | 22.3620 | 22.3120 | 121.9780 | 122.5380 |
| B2-D0 | 33.6640 | 33.6260 | 30.9000 | 31.2000 |
| B2-C1 | 11.2140 | 11.2010 | 30.8180 | 31.1900 |
| D0-C1 | 22.4500 | 22.4250 | 210.8810 | 211.2530 |
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 | 60746.20002847 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd91881b |
| HIERARCH ESO INS SOBJ NAME | hd91881b |
| RA | 159.01611 |
| DEC | -26.67582 |
| 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 | 25.219 |
| HIERARCH ESO ISS PBL12 END | 25.201 |
| HIERARCH ESO ISS PBLA12 START | 148.4 |
| HIERARCH ESO ISS PBLA12 END | 148.9 |
| HIERARCH ESO ISS PBL13 START | 31.381 |
| HIERARCH ESO ISS PBL13 END | 31.276 |
| HIERARCH ESO ISS PBLA13 START | 76.3 |
| HIERARCH ESO ISS PBLA13 END | 76.7 |
| HIERARCH ESO ISS PBL14 START | 22.362 |
| HIERARCH ESO ISS PBL14 END | 22.312 |
| HIERARCH ESO ISS PBLA14 START | 121.978 |
| HIERARCH ESO ISS PBLA14 END | 122.538 |
| HIERARCH ESO ISS PBL23 START | 33.664 |
| HIERARCH ESO ISS PBL23 END | 33.626 |
| HIERARCH ESO ISS PBLA23 START | 30.9 |
| HIERARCH ESO ISS PBLA23 END | 31.2 |
| HIERARCH ESO ISS PBL24 START | 11.214 |
| HIERARCH ESO ISS PBL24 END | 11.201 |
| HIERARCH ESO ISS PBLA24 START | 30.818 |
| HIERARCH ESO ISS PBLA24 END | 31.19 |
| HIERARCH ESO ISS PBL34 START | 22.45 |
| HIERARCH ESO ISS PBL34 END | 22.425 |
| HIERARCH ESO ISS PBLA34 START | 210.881 |
| HIERARCH ESO ISS PBLA34 END | 211.253 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.012817 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.014472 |
| HIERARCH ESO ISS AMBI TEMP | 13.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | hd91881a |
| HIERARCH ESO FT ROBJ ALPHA | 103604.509 |
| HIERARCH ESO FT ROBJ DELTA | -264031.739 |