Exposure
- ID
- GRAVI.2023-04-24T03:46:51.617_2
- Header ID
- GRAVI.2023-04-24T03:46:51.617
- Date updated
- 2023-04-24 03:55:55 UTC+0000
- Release date
- 2023-04-24 03:46:51 UTC+0000
- UTC Start
- 2023-04-24 03:46:51.617
- UTC End
- 2023-04-24 03:48:21.617
- MJD Start
- 60058.15754186
- MJD End
- 60058.1585835267
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002552
- Ambient temperature (°C)
- 7.95
- Seeing (arcsec)
- 1.09
Observation
- ID
- 54216
- Category
- calibrator
- Program ID
- 106.217D.005
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
Target
- ID
- 37816
- Name
- WDSJ15479-6527B
- RA
- 236.971724166667
- DEC
- -65.44269725
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 | 76.1840 | 76.3380 | 74.6000 | 75.1000 |
| A0-J2 | 123.4410 | 123.5440 | 55.4000 | 55.9000 |
| A0-K0 | 127.9490 | 127.9550 | 40.2940 | 40.7070 |
| G1-J2 | 57.2540 | 57.2370 | 29.5000 | 29.9000 |
| G1-K0 | 77.9270 | 77.9090 | 6.8500 | 7.1500 |
| J2-K0 | 33.3890 | 33.4540 | 325.5570 | 325.8040 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60058.15754186 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965661 |
| DEC | -65.44267 |
| 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 | 111.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 30 |
| HIERARCH ESO ISS PBL12 START | 76.184 |
| HIERARCH ESO ISS PBL12 END | 76.338 |
| HIERARCH ESO ISS PBLA12 START | 74.6 |
| HIERARCH ESO ISS PBLA12 END | 75.1 |
| HIERARCH ESO ISS PBL13 START | 123.441 |
| HIERARCH ESO ISS PBL13 END | 123.544 |
| HIERARCH ESO ISS PBLA13 START | 55.4 |
| HIERARCH ESO ISS PBLA13 END | 55.9 |
| HIERARCH ESO ISS PBL14 START | 127.949 |
| HIERARCH ESO ISS PBL14 END | 127.955 |
| HIERARCH ESO ISS PBLA14 START | 40.294 |
| HIERARCH ESO ISS PBLA14 END | 40.707 |
| HIERARCH ESO ISS PBL23 START | 57.254 |
| HIERARCH ESO ISS PBL23 END | 57.237 |
| HIERARCH ESO ISS PBLA23 START | 29.5 |
| HIERARCH ESO ISS PBLA23 END | 29.9 |
| HIERARCH ESO ISS PBL24 START | 77.927 |
| HIERARCH ESO ISS PBL24 END | 77.909 |
| HIERARCH ESO ISS PBLA24 START | 6.85 |
| HIERARCH ESO ISS PBLA24 END | 7.15 |
| HIERARCH ESO ISS PBL34 START | 33.389 |
| HIERARCH ESO ISS PBL34 END | 33.454 |
| HIERARCH ESO ISS PBLA34 START | 325.557 |
| HIERARCH ESO ISS PBLA34 END | 325.804 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002552 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002552 |
| HIERARCH ESO ISS AMBI TEMP | 7.95 |
| HIERARCH ESO ISS AMBI FWHM START | 1.09 |
| HIERARCH ESO ISS AMBI FWHM END | 1.09 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |