Exposure
- ID
- GRAVI.2023-04-29T09:26:01.781_2
- Header ID
- GRAVI.2023-04-29T09:26:01.781
- Date updated
- 2023-04-29 09:35:48 UTC+0000
- Release date
- 2023-04-29 09:26:01 UTC+0000
- UTC Start
- 2023-04-29 09:26:01.781
- UTC End
- 2023-04-29 09:27:31.781
- MJD Start
- 60063.39307617
- MJD End
- 60063.39411783667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006543
- Ambient temperature (°C)
- 15.83
- Seeing (arcsec)
- 0.455
Observation
- ID
- 54183
- 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
- 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 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 90.4760 | 90.4790 | 154.6000 | 155.0000 |
| A0-J2 | 123.8810 | 123.8040 | 139.9000 | 140.3000 |
| A0-K0 | 108.0010 | 107.8140 | 123.3970 | 123.8730 |
| G1-J2 | 43.0330 | 42.9110 | 107.6000 | 108.1000 |
| G1-K0 | 55.9920 | 55.7790 | 66.5550 | 66.8710 |
| J2-K0 | 36.7730 | 36.7440 | 16.3480 | 16.6030 |
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 | 60063.39307617 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.96566 |
| 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 | 90.476 |
| HIERARCH ESO ISS PBL12 END | 90.479 |
| HIERARCH ESO ISS PBLA12 START | 154.6 |
| HIERARCH ESO ISS PBLA12 END | 155.0 |
| HIERARCH ESO ISS PBL13 START | 123.881 |
| HIERARCH ESO ISS PBL13 END | 123.804 |
| HIERARCH ESO ISS PBLA13 START | 139.9 |
| HIERARCH ESO ISS PBLA13 END | 140.3 |
| HIERARCH ESO ISS PBL14 START | 108.001 |
| HIERARCH ESO ISS PBL14 END | 107.814 |
| HIERARCH ESO ISS PBLA14 START | 123.397 |
| HIERARCH ESO ISS PBLA14 END | 123.873 |
| HIERARCH ESO ISS PBL23 START | 43.033 |
| HIERARCH ESO ISS PBL23 END | 42.911 |
| HIERARCH ESO ISS PBLA23 START | 107.6 |
| HIERARCH ESO ISS PBLA23 END | 108.1 |
| HIERARCH ESO ISS PBL24 START | 55.992 |
| HIERARCH ESO ISS PBL24 END | 55.779 |
| HIERARCH ESO ISS PBLA24 START | 66.555 |
| HIERARCH ESO ISS PBLA24 END | 66.871 |
| HIERARCH ESO ISS PBL34 START | 36.773 |
| HIERARCH ESO ISS PBL34 END | 36.744 |
| HIERARCH ESO ISS PBLA34 START | 16.348 |
| HIERARCH ESO ISS PBLA34 END | 16.603 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00623 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006856 |
| HIERARCH ESO ISS AMBI TEMP | 15.83 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |