Exposure
- ID
- GRAVI.2025-03-10T06:41:11.686_2
- Header ID
- GRAVI.2025-03-10T06:41:11.686
- Date updated
- 2025-03-10 06:50:37 UTC+0000
- Release date
- 2025-03-10 06:41:11 UTC+0000
- UTC Start
- 2025-03-10 06:41:11.686
- UTC End
- 2025-03-10 06:43:11.686
- MJD Start
- 60744.27860748
- MJD End
- 60744.27999636889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.013224
- Ambient temperature (°C)
- 13.57
- Seeing (arcsec)
- 0.43
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 | 17.7930 | 17.8640 | 104.9000 | 105.3000 |
| A0-D0 | 31.9950 | 31.9970 | 40.1000 | 40.6000 |
| A0-C1 | 19.0280 | 19.0760 | 74.4400 | 74.9970 |
| B2-D0 | 29.2310 | 29.2230 | 6.7000 | 7.1000 |
| B2-C1 | 9.7340 | 9.7310 | 6.6920 | 7.0700 |
| D0-C1 | 19.4970 | 19.4910 | 186.7490 | 187.1280 |
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 | 60744.27860748 |
| 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 | 17.793 |
| HIERARCH ESO ISS PBL12 END | 17.864 |
| HIERARCH ESO ISS PBLA12 START | 104.9 |
| HIERARCH ESO ISS PBLA12 END | 105.3 |
| HIERARCH ESO ISS PBL13 START | 31.995 |
| HIERARCH ESO ISS PBL13 END | 31.997 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.6 |
| HIERARCH ESO ISS PBL14 START | 19.028 |
| HIERARCH ESO ISS PBL14 END | 19.076 |
| HIERARCH ESO ISS PBLA14 START | 74.44 |
| HIERARCH ESO ISS PBLA14 END | 74.997 |
| HIERARCH ESO ISS PBL23 START | 29.231 |
| HIERARCH ESO ISS PBL23 END | 29.223 |
| HIERARCH ESO ISS PBLA23 START | 6.7 |
| HIERARCH ESO ISS PBLA23 END | 7.1 |
| HIERARCH ESO ISS PBL24 START | 9.734 |
| HIERARCH ESO ISS PBL24 END | 9.731 |
| HIERARCH ESO ISS PBLA24 START | 6.692 |
| HIERARCH ESO ISS PBLA24 END | 7.07 |
| HIERARCH ESO ISS PBL34 START | 19.497 |
| HIERARCH ESO ISS PBL34 END | 19.491 |
| HIERARCH ESO ISS PBLA34 START | 186.749 |
| HIERARCH ESO ISS PBLA34 END | 187.128 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.01373 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.012718 |
| HIERARCH ESO ISS AMBI TEMP | 13.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |