Exposure
- ID
- GRAVI.2025-02-22T07:25:25.557_1
- Header ID
- GRAVI.2025-02-22T07:25:25.557
- Date updated
- 2025-02-22 07:35:39 UTC+0000
- Release date
- 2025-02-22 07:25:25 UTC+0000
- UTC Start
- 2025-02-22 07:25:25.557
- UTC End
- 2025-02-22 07:29:25.557
- MJD Start
- 60728.30932358
- MJD End
- 60728.31210135778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0100105
- Ambient temperature (°C)
- 14.5
- Seeing (arcsec)
- 0.765
Observation
- ID
- 64764
- Category
- calibrator
- Program ID
- 114.276J.002
- Program Title
- VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
- Program Type
- Normal
- PI / COI
- LU / KRAUS / GARDNER
Target
- ID
- 48227
- Name
- BD+02_2984
- RA
- 234.925475
- DEC
- 2.19424
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 48.6520 | 48.6570 | 143.2000 | 143.1000 |
| A0-J2 | 98.3720 | 99.9050 | 95.2000 | 95.1000 |
| A0-J6 | 135.5990 | 135.7950 | 5.5550 | 6.3100 |
| B5-J2 | 75.0970 | 76.5020 | 66.4000 | 66.8000 |
| B5-J6 | 174.6420 | 174.4780 | 354.7330 | 355.3090 |
| J2-J6 | 166.9810 | 166.8020 | 329.4680 | 329.5320 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.276J.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60728.30932358 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | BD+02 2984 |
| HIERARCH ESO INS SOBJ NAME | BD+02_2984 |
| RA | 234.925475 |
| DEC | 2.19424 |
| 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 | B5 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | J6 |
| EXPTIME | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 48.652 |
| HIERARCH ESO ISS PBL12 END | 48.657 |
| HIERARCH ESO ISS PBLA12 START | 143.2 |
| HIERARCH ESO ISS PBLA12 END | 143.1 |
| HIERARCH ESO ISS PBL13 START | 98.372 |
| HIERARCH ESO ISS PBL13 END | 99.905 |
| HIERARCH ESO ISS PBLA13 START | 95.2 |
| HIERARCH ESO ISS PBLA13 END | 95.1 |
| HIERARCH ESO ISS PBL14 START | 135.599 |
| HIERARCH ESO ISS PBL14 END | 135.795 |
| HIERARCH ESO ISS PBLA14 START | 5.555 |
| HIERARCH ESO ISS PBLA14 END | 6.31 |
| HIERARCH ESO ISS PBL23 START | 75.097 |
| HIERARCH ESO ISS PBL23 END | 76.502 |
| HIERARCH ESO ISS PBLA23 START | 66.4 |
| HIERARCH ESO ISS PBLA23 END | 66.8 |
| HIERARCH ESO ISS PBL24 START | 174.642 |
| HIERARCH ESO ISS PBL24 END | 174.478 |
| HIERARCH ESO ISS PBLA24 START | 354.733 |
| HIERARCH ESO ISS PBLA24 END | 355.309 |
| HIERARCH ESO ISS PBL34 START | 166.981 |
| HIERARCH ESO ISS PBL34 END | 166.802 |
| HIERARCH ESO ISS PBLA34 START | 329.468 |
| HIERARCH ESO ISS PBLA34 END | 329.532 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008444 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011577 |
| HIERARCH ESO ISS AMBI TEMP | 14.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |