Exposure
- ID
- GRAVI.2023-05-21T04:24:04.380_2
- Header ID
- GRAVI.2023-05-21T04:24:04.380
- Date updated
- 2023-05-21 04:40:43 UTC+0000
- Release date
- 2024-05-21 04:40:43 UTC+0000
- UTC Start
- 2023-05-21 04:24:04.380
- UTC End
- 2023-05-21 04:30:44.380
- MJD Start
- 60085.18338403
- MJD End
- 60085.1880136596
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002333
- Ambient temperature (°C)
- 9.36
- Seeing (arcsec)
- 0.99
Observation
- ID
- 55511
- Category
- science
- 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
- 41116
- Name
- AlphaCenB_2023_05_27
- RA
- 219.850883333333
- DEC
- -60.8298502777778
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 | 89.3770 | 89.5460 | 122.9000 | 124.4000 |
A0-J2 | 128.7470 | 128.5730 | 104.4000 | 106.0000 |
A0-K0 | 121.8990 | 121.3110 | 86.3510 | 87.8620 |
G1-J2 | 52.3470 | 51.9830 | 71.6000 | 73.0000 |
G1-K0 | 73.1540 | 72.6440 | 39.6160 | 40.6660 |
J2-K0 | 39.9590 | 39.9860 | 355.6550 | 356.5950 |
Header: used keywords
Key | Value |
---|---|
HIERARCH ESO OBS PROG ID | 106.217D.005 |
HIERARCH ESO DPR CATG | SCIENCE |
HIERARCH ESO DPR TYPE | OBJECT,DUAL |
MJD-OBS | 60085.18338403 |
HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
HIERARCH ESO OBS TARG NAME | AlphaCenB_2023_05_27 |
HIERARCH ESO INS SOBJ NAME | StarS3 |
RA | 219.846447 |
DEC | -60.82966 |
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 | 414.0 |
HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
HIERARCH ESO DET2 NDIT | 4 |
HIERARCH ESO ISS PBL12 START | 89.377 |
HIERARCH ESO ISS PBL12 END | 89.546 |
HIERARCH ESO ISS PBLA12 START | 122.9 |
HIERARCH ESO ISS PBLA12 END | 124.4 |
HIERARCH ESO ISS PBL13 START | 128.747 |
HIERARCH ESO ISS PBL13 END | 128.573 |
HIERARCH ESO ISS PBLA13 START | 104.4 |
HIERARCH ESO ISS PBLA13 END | 106.0 |
HIERARCH ESO ISS PBL14 START | 121.899 |
HIERARCH ESO ISS PBL14 END | 121.311 |
HIERARCH ESO ISS PBLA14 START | 86.351 |
HIERARCH ESO ISS PBLA14 END | 87.862 |
HIERARCH ESO ISS PBL23 START | 52.347 |
HIERARCH ESO ISS PBL23 END | 51.983 |
HIERARCH ESO ISS PBLA23 START | 71.6 |
HIERARCH ESO ISS PBLA23 END | 73.0 |
HIERARCH ESO ISS PBL24 START | 73.154 |
HIERARCH ESO ISS PBL24 END | 72.644 |
HIERARCH ESO ISS PBLA24 START | 39.616 |
HIERARCH ESO ISS PBLA24 END | 40.666 |
HIERARCH ESO ISS PBL34 START | 39.959 |
HIERARCH ESO ISS PBL34 END | 39.986 |
HIERARCH ESO ISS PBLA34 START | 355.655 |
HIERARCH ESO ISS PBLA34 END | 356.595 |
HIERARCH ESO ISS AMBI TAU0 START | 0.002524 |
HIERARCH ESO ISS AMBI TAU0 END | 0.002142 |
HIERARCH ESO ISS AMBI TEMP | 9.36 |
HIERARCH ESO ISS AMBI FWHM START | 0.92 |
HIERARCH ESO ISS AMBI FWHM END | 1.06 |
HIERARCH ESO FT ROBJ NAME | AlphaCenB_2023_05_27 |
HIERARCH ESO FT ROBJ ALPHA | 143924.212 |
HIERARCH ESO FT ROBJ DELTA | -604947.461 |