Exposure
- ID
- GRAVI.2025-02-22T07:34:46.581_1
- Header ID
- GRAVI.2025-02-22T07:34:46.581
- Date updated
- 2025-02-22 07:45:49 UTC+0000
- Release date
- 2025-02-22 07:34:46 UTC+0000
- UTC Start
- 2025-02-22 07:34:46.581
- UTC End
- 2025-02-22 07:38:46.581
- MJD Start
- 60728.31581691
- MJD End
- 60728.31859468778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009392000000000001
- Ambient temperature (°C)
- 14.48
- Seeing (arcsec)
- 0.7949999999999999
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 | 48.6550 | 48.6470 | 143.1000 | 143.1000 |
| A0-J2 | 101.6960 | 103.1540 | 94.9000 | 94.8000 |
| A0-J6 | 136.0610 | 136.3090 | 7.2100 | 7.9540 |
| B5-J2 | 78.1590 | 79.5240 | 67.3000 | 67.7000 |
| B5-J6 | 174.3070 | 174.1840 | 356.0040 | 356.5850 |
| J2-J6 | 166.5680 | 166.3580 | 329.6230 | 329.7060 |
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 | 60728.31581691 |
| 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 | 48.655 |
| HIERARCH ESO ISS PBL12 END | 48.647 |
| HIERARCH ESO ISS PBLA12 START | 143.1 |
| HIERARCH ESO ISS PBLA12 END | 143.1 |
| HIERARCH ESO ISS PBL13 START | 101.696 |
| HIERARCH ESO ISS PBL13 END | 103.154 |
| HIERARCH ESO ISS PBLA13 START | 94.9 |
| HIERARCH ESO ISS PBLA13 END | 94.8 |
| HIERARCH ESO ISS PBL14 START | 136.061 |
| HIERARCH ESO ISS PBL14 END | 136.309 |
| HIERARCH ESO ISS PBLA14 START | 7.21 |
| HIERARCH ESO ISS PBLA14 END | 7.954 |
| HIERARCH ESO ISS PBL23 START | 78.159 |
| HIERARCH ESO ISS PBL23 END | 79.524 |
| HIERARCH ESO ISS PBLA23 START | 67.3 |
| HIERARCH ESO ISS PBLA23 END | 67.7 |
| HIERARCH ESO ISS PBL24 START | 174.307 |
| HIERARCH ESO ISS PBL24 END | 174.184 |
| HIERARCH ESO ISS PBLA24 START | 356.004 |
| HIERARCH ESO ISS PBLA24 END | 356.585 |
| HIERARCH ESO ISS PBL34 START | 166.568 |
| HIERARCH ESO ISS PBL34 END | 166.358 |
| HIERARCH ESO ISS PBLA34 START | 329.623 |
| HIERARCH ESO ISS PBLA34 END | 329.706 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008965 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009819 |
| HIERARCH ESO ISS AMBI TEMP | 14.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |