Exposure
- ID
- GRAVI.2025-02-21T06:52:41.462_1
- Header ID
- GRAVI.2025-02-21T06:52:41.462
- Date updated
- 2025-02-21 07:05:38 UTC+0000
- Release date
- 2025-02-21 06:52:41 UTC+0000
- UTC Start
- 2025-02-21 06:52:41.462
- UTC End
- 2025-02-21 06:56:41.462
- MJD Start
- 60727.286591
- MJD End
- 60727.289368777776
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008028500000000001
- Ambient temperature (°C)
- 13.86
- Seeing (arcsec)
- 0.56
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 | 48.3610 | 48.4170 | 144.0000 | 143.9000 |
| A0-J2 | 83.8150 | 85.6190 | 96.4000 | 96.3000 |
| A0-J6 | 134.9550 | 134.9320 | 358.9240 | 359.6970 |
| B5-J2 | 62.3780 | 63.8950 | 61.5000 | 62.2000 |
| B5-J6 | 176.7780 | 176.4670 | 349.9090 | 350.4510 |
| J2-J6 | 167.9100 | 167.8600 | 329.2690 | 329.2580 |
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 | 60727.286591 |
| 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 | 48.361 |
| HIERARCH ESO ISS PBL12 END | 48.417 |
| HIERARCH ESO ISS PBLA12 START | 144.0 |
| HIERARCH ESO ISS PBLA12 END | 143.9 |
| HIERARCH ESO ISS PBL13 START | 83.815 |
| HIERARCH ESO ISS PBL13 END | 85.619 |
| HIERARCH ESO ISS PBLA13 START | 96.4 |
| HIERARCH ESO ISS PBLA13 END | 96.3 |
| HIERARCH ESO ISS PBL14 START | 134.955 |
| HIERARCH ESO ISS PBL14 END | 134.932 |
| HIERARCH ESO ISS PBLA14 START | 358.924 |
| HIERARCH ESO ISS PBLA14 END | 359.697 |
| HIERARCH ESO ISS PBL23 START | 62.378 |
| HIERARCH ESO ISS PBL23 END | 63.895 |
| HIERARCH ESO ISS PBLA23 START | 61.5 |
| HIERARCH ESO ISS PBLA23 END | 62.2 |
| HIERARCH ESO ISS PBL24 START | 176.778 |
| HIERARCH ESO ISS PBL24 END | 176.467 |
| HIERARCH ESO ISS PBLA24 START | 349.909 |
| HIERARCH ESO ISS PBLA24 END | 350.451 |
| HIERARCH ESO ISS PBL34 START | 167.91 |
| HIERARCH ESO ISS PBL34 END | 167.86 |
| HIERARCH ESO ISS PBLA34 START | 329.269 |
| HIERARCH ESO ISS PBLA34 END | 329.258 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007465 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008592 |
| HIERARCH ESO ISS AMBI TEMP | 13.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |