Exposure
- ID
- GRAVI.2023-03-19T05:10:45.411_2
- Header ID
- GRAVI.2023-03-19T05:10:45.411
- Date updated
- 2023-03-19 05:20:59 UTC+0000
- Release date
- 2023-03-19 05:10:45 UTC+0000
- UTC Start
- 2023-03-19 05:10:45.411
- UTC End
- 2023-03-19 05:12:15.411
- MJD Start
- 60022.21580337
- MJD End
- 60022.2168450367
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0073235
- Ambient temperature (°C)
- 13.91
- Seeing (arcsec)
- 0.615
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
- 236.971066666667
- DEC
- -65.4423077777778
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 | 71.1460 | 71.3040 | 59.8000 | 60.3000 |
| A0-J2 | 120.0990 | 120.2010 | 40.9000 | 41.3000 |
| A0-K0 | 127.5690 | 127.5840 | 26.8890 | 27.3120 |
| G1-J2 | 57.6470 | 57.6390 | 17.2000 | 17.6000 |
| G1-K0 | 78.1040 | 78.1110 | 357.2110 | 357.5120 |
| J2-K0 | 31.0290 | 31.1110 | 317.7110 | 317.9550 |
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 | 60022.21580337 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965665 |
| 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 | 71.146 |
| HIERARCH ESO ISS PBL12 END | 71.304 |
| HIERARCH ESO ISS PBLA12 START | 59.8 |
| HIERARCH ESO ISS PBLA12 END | 60.3 |
| HIERARCH ESO ISS PBL13 START | 120.099 |
| HIERARCH ESO ISS PBL13 END | 120.201 |
| HIERARCH ESO ISS PBLA13 START | 40.9 |
| HIERARCH ESO ISS PBLA13 END | 41.3 |
| HIERARCH ESO ISS PBL14 START | 127.569 |
| HIERARCH ESO ISS PBL14 END | 127.584 |
| HIERARCH ESO ISS PBLA14 START | 26.889 |
| HIERARCH ESO ISS PBLA14 END | 27.312 |
| HIERARCH ESO ISS PBL23 START | 57.647 |
| HIERARCH ESO ISS PBL23 END | 57.639 |
| HIERARCH ESO ISS PBLA23 START | 17.2 |
| HIERARCH ESO ISS PBLA23 END | 17.6 |
| HIERARCH ESO ISS PBL24 START | 78.104 |
| HIERARCH ESO ISS PBL24 END | 78.111 |
| HIERARCH ESO ISS PBLA24 START | 357.211 |
| HIERARCH ESO ISS PBLA24 END | 357.512 |
| HIERARCH ESO ISS PBL34 START | 31.029 |
| HIERARCH ESO ISS PBL34 END | 31.111 |
| HIERARCH ESO ISS PBLA34 START | 317.711 |
| HIERARCH ESO ISS PBLA34 END | 317.955 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006771 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007876 |
| HIERARCH ESO ISS AMBI TEMP | 13.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |