Exposure
- ID
- GRAVI.2024-07-04T01:54:03.746_2
- Header ID
- GRAVI.2024-07-04T01:54:03.746
- Date updated
- 2024-07-04 02:05:41 UTC+0000
- Release date
- 2024-07-04 01:54:03 UTC+0000
- UTC Start
- 2024-07-04 01:54:03.746
- UTC End
- 2024-07-04 01:55:39.746
- MJD Start
- 60495.07921002
- MJD End
- 60495.08032113111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0069925000000000005
- Ambient temperature (°C)
- 15.57
- Seeing (arcsec)
- 0.495
Observation
- ID
- 59887
- Category
- calibrator
- Program ID
- 113.267X.001
- Program Title
- GRAVITY ASTROMETRY OF STELLAR CONJUNCTIONS OF ALPHA CENTAURI FOR STELLAR PHYSICS AND EXOPLANETS
- 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 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 87.2310 | 87.3080 | 113.0000 | 113.4000 |
| A0-J2 | 129.2300 | 129.2330 | 95.0000 | 95.4000 |
| A0-K0 | 124.4120 | 124.3090 | 78.2230 | 78.6480 |
| G1-J2 | 53.5300 | 53.4580 | 64.8000 | 65.2000 |
| G1-K0 | 72.4940 | 72.3850 | 34.9140 | 35.2260 |
| J2-K0 | 37.3010 | 37.3210 | 349.2760 | 349.5460 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.267X.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60495.07921002 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965636 |
| 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 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 118.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 87.231 |
| HIERARCH ESO ISS PBL12 END | 87.308 |
| HIERARCH ESO ISS PBLA12 START | 113.0 |
| HIERARCH ESO ISS PBLA12 END | 113.4 |
| HIERARCH ESO ISS PBL13 START | 129.23 |
| HIERARCH ESO ISS PBL13 END | 129.233 |
| HIERARCH ESO ISS PBLA13 START | 95.0 |
| HIERARCH ESO ISS PBLA13 END | 95.4 |
| HIERARCH ESO ISS PBL14 START | 124.412 |
| HIERARCH ESO ISS PBL14 END | 124.309 |
| HIERARCH ESO ISS PBLA14 START | 78.223 |
| HIERARCH ESO ISS PBLA14 END | 78.648 |
| HIERARCH ESO ISS PBL23 START | 53.53 |
| HIERARCH ESO ISS PBL23 END | 53.458 |
| HIERARCH ESO ISS PBLA23 START | 64.8 |
| HIERARCH ESO ISS PBLA23 END | 65.2 |
| HIERARCH ESO ISS PBL24 START | 72.494 |
| HIERARCH ESO ISS PBL24 END | 72.385 |
| HIERARCH ESO ISS PBLA24 START | 34.914 |
| HIERARCH ESO ISS PBLA24 END | 35.226 |
| HIERARCH ESO ISS PBL34 START | 37.301 |
| HIERARCH ESO ISS PBL34 END | 37.321 |
| HIERARCH ESO ISS PBLA34 START | 349.276 |
| HIERARCH ESO ISS PBLA34 END | 349.546 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007182 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006803 |
| HIERARCH ESO ISS AMBI TEMP | 15.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| 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 |