Exposure
- ID
- GRAVI.2025-03-09T05:14:54.640_2
- Header ID
- GRAVI.2025-03-09T05:14:54.640
- Date updated
- 2025-03-09 05:25:49 UTC+0000
- Release date
- 2025-03-09 05:14:54 UTC+0000
- UTC Start
- 2025-03-09 05:14:54.640
- UTC End
- 2025-03-09 05:16:54.640
- MJD Start
- 60743.21868796
- MJD End
- 60743.220076848884
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0066925000000000005
- Ambient temperature (°C)
- 15.02
- Seeing (arcsec)
- 0.7949999999999999
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 | 14.6600 | 14.7450 | 85.2000 | 85.8000 |
| A0-D0 | 31.8320 | 31.8360 | 19.0000 | 19.5000 |
| A0-C1 | 17.0690 | 17.1170 | 50.5980 | 51.2500 |
| B2-D0 | 29.1900 | 29.2000 | 351.6000 | 352.0000 |
| B2-C1 | 9.7200 | 9.7240 | 351.6130 | 351.9970 |
| D0-C1 | 19.4700 | 19.4770 | 171.6610 | 172.0450 |
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 | 60743.21868796 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| 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 | 14.66 |
| HIERARCH ESO ISS PBL12 END | 14.745 |
| HIERARCH ESO ISS PBLA12 START | 85.2 |
| HIERARCH ESO ISS PBLA12 END | 85.8 |
| HIERARCH ESO ISS PBL13 START | 31.832 |
| HIERARCH ESO ISS PBL13 END | 31.836 |
| HIERARCH ESO ISS PBLA13 START | 19.0 |
| HIERARCH ESO ISS PBLA13 END | 19.5 |
| HIERARCH ESO ISS PBL14 START | 17.069 |
| HIERARCH ESO ISS PBL14 END | 17.117 |
| HIERARCH ESO ISS PBLA14 START | 50.598 |
| HIERARCH ESO ISS PBLA14 END | 51.25 |
| HIERARCH ESO ISS PBL23 START | 29.19 |
| HIERARCH ESO ISS PBL23 END | 29.2 |
| HIERARCH ESO ISS PBLA23 START | 351.6 |
| HIERARCH ESO ISS PBLA23 END | 352.0 |
| HIERARCH ESO ISS PBL24 START | 9.72 |
| HIERARCH ESO ISS PBL24 END | 9.724 |
| HIERARCH ESO ISS PBLA24 START | 351.613 |
| HIERARCH ESO ISS PBLA24 END | 351.997 |
| HIERARCH ESO ISS PBL34 START | 19.47 |
| HIERARCH ESO ISS PBL34 END | 19.477 |
| HIERARCH ESO ISS PBLA34 START | 171.661 |
| HIERARCH ESO ISS PBLA34 END | 172.045 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006485 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0069 |
| HIERARCH ESO ISS AMBI TEMP | 15.02 |
| HIERARCH ESO ISS AMBI FWHM START | 0.84 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |