Exposure
- ID
- GRAVI.2025-03-09T05:23:57.663_2
- Header ID
- GRAVI.2025-03-09T05:23:57.663
- Date updated
- 2025-03-09 05:30:53 UTC+0000
- Release date
- 2025-03-09 05:23:57 UTC+0000
- UTC Start
- 2025-03-09 05:23:57.663
- UTC End
- 2025-03-09 05:25:57.663
- MJD Start
- 60743.22497295
- MJD End
- 60743.22636183889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0065575
- Ambient temperature (°C)
- 15.04
- Seeing (arcsec)
- 0.815
Observation
- ID
- 64996
- Category
- calibrator
- Program ID
- 114.278L.001
- Program Title
- CONJUNCTIONS OF ALPHA CENTAURI: GRAVITY ASTROMETRY OF THE B-S4 EVENT AND CRIRES CHARACTERIZATION OF SOURCE S5
- Program Type
- Normal
- PI / COI
- KERVELLA / MÉRAND / LACOUR / FORVEILLE / ARENOU / THEVENIN / BOURDAROT / BRANDNER / STRAUBMEIER / GARCIA / WOILLEZ / EISENHAUER / PAUMARD / ROUSSELET-PERRAUT / PERRIN
Target
- ID
- 37816
- Name
- WDSJ15479-6527B
- RA
- 236.97172416666663
- DEC
- -65.44269725000001
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 | 14.9950 | 15.0790 | 87.4000 | 87.9000 |
| A0-D0 | 31.8500 | 31.8550 | 21.2000 | 21.7000 |
| A0-C1 | 17.2590 | 17.3070 | 53.1610 | 53.7970 |
| B2-D0 | 29.2280 | 29.2360 | 353.2000 | 353.5000 |
| B2-C1 | 9.7330 | 9.7350 | 353.1270 | 353.5060 |
| D0-C1 | 19.4950 | 19.5010 | 173.1760 | 173.5550 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.278L.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60743.22497295 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965643 |
| DEC | -65.44268 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 137.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 14.995 |
| HIERARCH ESO ISS PBL12 END | 15.079 |
| HIERARCH ESO ISS PBLA12 START | 87.4 |
| HIERARCH ESO ISS PBLA12 END | 87.9 |
| HIERARCH ESO ISS PBL13 START | 31.85 |
| HIERARCH ESO ISS PBL13 END | 31.855 |
| HIERARCH ESO ISS PBLA13 START | 21.2 |
| HIERARCH ESO ISS PBLA13 END | 21.7 |
| HIERARCH ESO ISS PBL14 START | 17.259 |
| HIERARCH ESO ISS PBL14 END | 17.307 |
| HIERARCH ESO ISS PBLA14 START | 53.161 |
| HIERARCH ESO ISS PBLA14 END | 53.797 |
| HIERARCH ESO ISS PBL23 START | 29.228 |
| HIERARCH ESO ISS PBL23 END | 29.236 |
| HIERARCH ESO ISS PBLA23 START | 353.2 |
| HIERARCH ESO ISS PBLA23 END | 353.5 |
| HIERARCH ESO ISS PBL24 START | 9.733 |
| HIERARCH ESO ISS PBL24 END | 9.735 |
| HIERARCH ESO ISS PBLA24 START | 353.127 |
| HIERARCH ESO ISS PBLA24 END | 353.506 |
| HIERARCH ESO ISS PBL34 START | 19.495 |
| HIERARCH ESO ISS PBL34 END | 19.501 |
| HIERARCH ESO ISS PBLA34 START | 173.176 |
| HIERARCH ESO ISS PBLA34 END | 173.555 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0067 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006415 |
| HIERARCH ESO ISS AMBI TEMP | 15.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.89 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |