Exposure
- ID
- GRAVI.2025-03-12T05:32:09.149_2
- Header ID
- GRAVI.2025-03-12T05:32:09.149
- Date updated
- 2025-03-12 05:40:42 UTC+0000
- Release date
- 2025-03-12 05:32:09 UTC+0000
- UTC Start
- 2025-03-12 05:32:09.149
- UTC End
- 2025-03-12 05:34:09.149
- MJD Start
- 60746.23066145
- MJD End
- 60746.232050338884
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.014814
- Ambient temperature (°C)
- 14.32
- Seeing (arcsec)
- 0.345
Observation
- ID
- 64994
- 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
- 37814
- Name
- WDSJ15479-6527A
- RA
- 236.97106666666664
- DEC
- -65.44230777777778
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 | 15.7230 | 15.8050 | 92.0000 | 92.5000 |
| A0-D0 | 31.8920 | 31.8970 | 25.9000 | 26.4000 |
| A0-C1 | 17.6900 | 17.7400 | 58.6730 | 59.2930 |
| B2-D0 | 29.2840 | 29.2880 | 356.5000 | 356.9000 |
| B2-C1 | 9.7520 | 9.7530 | 356.4670 | 356.8510 |
| D0-C1 | 19.5320 | 19.5350 | 176.5180 | 176.9020 |
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 | 60746.23066145 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| 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 | 15.723 |
| HIERARCH ESO ISS PBL12 END | 15.805 |
| HIERARCH ESO ISS PBLA12 START | 92.0 |
| HIERARCH ESO ISS PBLA12 END | 92.5 |
| HIERARCH ESO ISS PBL13 START | 31.892 |
| HIERARCH ESO ISS PBL13 END | 31.897 |
| HIERARCH ESO ISS PBLA13 START | 25.9 |
| HIERARCH ESO ISS PBLA13 END | 26.4 |
| HIERARCH ESO ISS PBL14 START | 17.69 |
| HIERARCH ESO ISS PBL14 END | 17.74 |
| HIERARCH ESO ISS PBLA14 START | 58.673 |
| HIERARCH ESO ISS PBLA14 END | 59.293 |
| HIERARCH ESO ISS PBL23 START | 29.284 |
| HIERARCH ESO ISS PBL23 END | 29.288 |
| HIERARCH ESO ISS PBLA23 START | 356.5 |
| HIERARCH ESO ISS PBLA23 END | 356.9 |
| HIERARCH ESO ISS PBL24 START | 9.752 |
| HIERARCH ESO ISS PBL24 END | 9.753 |
| HIERARCH ESO ISS PBLA24 START | 356.467 |
| HIERARCH ESO ISS PBLA24 END | 356.851 |
| HIERARCH ESO ISS PBL34 START | 19.532 |
| HIERARCH ESO ISS PBL34 END | 19.535 |
| HIERARCH ESO ISS PBLA34 START | 176.518 |
| HIERARCH ESO ISS PBLA34 END | 176.902 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.014594 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.015034 |
| HIERARCH ESO ISS AMBI TEMP | 14.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.36 |
| HIERARCH ESO ISS AMBI FWHM END | 0.33 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |