Exposure
- ID
- GRAVI.2025-03-12T05:43:03.177_2
- Header ID
- GRAVI.2025-03-12T05:43:03.177
- Date updated
- 2025-03-12 05:50:45 UTC+0000
- Release date
- 2025-03-12 05:43:03 UTC+0000
- UTC Start
- 2025-03-12 05:43:03.177
- UTC End
- 2025-03-12 05:45:03.177
- MJD Start
- 60746.23823121
- MJD End
- 60746.23962009889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.014133
- Ambient temperature (°C)
- 14.5
- Seeing (arcsec)
- 0.375
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 | 16.1100 | 16.1900 | 94.4000 | 94.9000 |
| A0-D0 | 31.9150 | 31.9190 | 28.4000 | 29.0000 |
| A0-C1 | 17.9290 | 17.9780 | 61.5980 | 62.2000 |
| B2-D0 | 29.2990 | 29.3010 | 358.3000 | 358.7000 |
| B2-C1 | 9.7570 | 9.7570 | 358.2900 | 358.6690 |
| D0-C1 | 19.5430 | 19.5440 | 178.3420 | 178.7210 |
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 | 60746.23823121 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965642 |
| 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 | 16.11 |
| HIERARCH ESO ISS PBL12 END | 16.19 |
| HIERARCH ESO ISS PBLA12 START | 94.4 |
| HIERARCH ESO ISS PBLA12 END | 94.9 |
| HIERARCH ESO ISS PBL13 START | 31.915 |
| HIERARCH ESO ISS PBL13 END | 31.919 |
| HIERARCH ESO ISS PBLA13 START | 28.4 |
| HIERARCH ESO ISS PBLA13 END | 29.0 |
| HIERARCH ESO ISS PBL14 START | 17.929 |
| HIERARCH ESO ISS PBL14 END | 17.978 |
| HIERARCH ESO ISS PBLA14 START | 61.598 |
| HIERARCH ESO ISS PBLA14 END | 62.2 |
| HIERARCH ESO ISS PBL23 START | 29.299 |
| HIERARCH ESO ISS PBL23 END | 29.301 |
| HIERARCH ESO ISS PBLA23 START | 358.3 |
| HIERARCH ESO ISS PBLA23 END | 358.7 |
| HIERARCH ESO ISS PBL24 START | 9.757 |
| HIERARCH ESO ISS PBL24 END | 9.757 |
| HIERARCH ESO ISS PBLA24 START | 358.29 |
| HIERARCH ESO ISS PBLA24 END | 358.669 |
| HIERARCH ESO ISS PBL34 START | 19.543 |
| HIERARCH ESO ISS PBL34 END | 19.544 |
| HIERARCH ESO ISS PBLA34 START | 178.342 |
| HIERARCH ESO ISS PBLA34 END | 178.721 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.01412 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.014146 |
| HIERARCH ESO ISS AMBI TEMP | 14.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |