Exposure
- ID
- GRAVI.2025-03-10T06:50:20.709_2
- Header ID
- GRAVI.2025-03-10T06:50:20.709
- Date updated
- 2025-03-10 07:00:40 UTC+0000
- Release date
- 2025-03-10 06:50:20 UTC+0000
- UTC Start
- 2025-03-10 06:50:20.709
- UTC End
- 2025-03-10 06:52:20.709
- MJD Start
- 60744.28496191
- MJD End
- 60744.28635079889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.014658000000000001
- Ambient temperature (°C)
- 13.55
- Seeing (arcsec)
- 0.49
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 | 18.0770 | 18.1470 | 106.7000 | 107.2000 |
| A0-D0 | 32.0010 | 32.0020 | 42.2000 | 42.7000 |
| A0-C1 | 19.2220 | 19.2690 | 76.6810 | 77.2300 |
| B2-D0 | 29.1940 | 29.1830 | 8.3000 | 8.6000 |
| B2-C1 | 9.7220 | 9.7180 | 8.2250 | 8.6030 |
| D0-C1 | 19.4720 | 19.4650 | 188.2830 | 188.6620 |
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 | 60744.28496191 |
| 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 | 18.077 |
| HIERARCH ESO ISS PBL12 END | 18.147 |
| HIERARCH ESO ISS PBLA12 START | 106.7 |
| HIERARCH ESO ISS PBLA12 END | 107.2 |
| HIERARCH ESO ISS PBL13 START | 32.001 |
| HIERARCH ESO ISS PBL13 END | 32.002 |
| HIERARCH ESO ISS PBLA13 START | 42.2 |
| HIERARCH ESO ISS PBLA13 END | 42.7 |
| HIERARCH ESO ISS PBL14 START | 19.222 |
| HIERARCH ESO ISS PBL14 END | 19.269 |
| HIERARCH ESO ISS PBLA14 START | 76.681 |
| HIERARCH ESO ISS PBLA14 END | 77.23 |
| HIERARCH ESO ISS PBL23 START | 29.194 |
| HIERARCH ESO ISS PBL23 END | 29.183 |
| HIERARCH ESO ISS PBLA23 START | 8.3 |
| HIERARCH ESO ISS PBLA23 END | 8.6 |
| HIERARCH ESO ISS PBL24 START | 9.722 |
| HIERARCH ESO ISS PBL24 END | 9.718 |
| HIERARCH ESO ISS PBLA24 START | 8.225 |
| HIERARCH ESO ISS PBLA24 END | 8.603 |
| HIERARCH ESO ISS PBL34 START | 19.472 |
| HIERARCH ESO ISS PBL34 END | 19.465 |
| HIERARCH ESO ISS PBLA34 START | 188.283 |
| HIERARCH ESO ISS PBLA34 END | 188.662 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.015249 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.014067 |
| HIERARCH ESO ISS AMBI TEMP | 13.55 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |