Exposure
- ID
- GRAVI.2021-05-23T01:01:28.589_2
- Header ID
- GRAVI.2021-05-23T01:01:28.589
- Date updated
- 2021-09-29 14:27:19 UTC+0000
- Release date
- 2022-05-23 01:10:36 UTC+0000
- UTC Start
- 2021-05-23 01:01:28.589
- UTC End
- 2021-05-23 01:02:32.589
- MJD Start
- 59357.042692
- MJD End
- 59357.0434327407
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006592
- Ambient temperature (°C)
- 11.31
- Seeing (arcsec)
- 0.42
Observation
- ID
- 47436
- Category
- science
- Program ID
- 106.217D.002
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ M\XC3\XA9RAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
Target
- ID
- 35576
- Name
- WDSJ14077-4952B
- RA
- 211.922835416667
- DEC
- -49.8673693055556
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
Baseline | Length start | Length end | Angle start | Angle end |
---|---|---|---|---|
U1-U2 | 54.2300 | 54.2130 | 13.6000 | 13.9000 |
U1-U3 | 99.6440 | 99.6100 | 19.4000 | 19.6000 |
U1-U4 | 130.1730 | 130.1810 | 43.4020 | 43.7010 |
U2-U3 | 46.0040 | 45.9900 | 26.1000 | 26.4000 |
U2-U4 | 87.3500 | 87.4220 | 61.3520 | 61.6720 |
U3-U4 | 56.4070 | 56.5230 | 89.4210 | 89.7160 |
Header: used keywords
Key | Value |
---|---|
HIERARCH ESO OBS PROG ID | 106.217D.002 |
HIERARCH ESO DPR CATG | SCIENCE |
HIERARCH ESO DPR TYPE | OBJECT,DUAL |
MJD-OBS | 59357.042692 |
HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
HIERARCH ESO OBS TARG NAME | HD 123227 |
HIERARCH ESO INS SOBJ NAME | WDSJ14077-4952A |
RA | 211.926027 |
DEC | -49.86689 |
HIERARCH ESO INS SPEC RES | MEDIUM |
HIERARCH ESO INS POLA MODE | SPLIT |
HIERARCH ESO ISS CONF NTEL | 4 |
HIERARCH ESO ISS CONF STATION1 | U1 |
HIERARCH ESO ISS CONF STATION2 | U2 |
HIERARCH ESO ISS CONF STATION3 | U3 |
HIERARCH ESO ISS CONF STATION4 | U4 |
EXPTIME | 94.0 |
HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
HIERARCH ESO DET2 NDIT | 64 |
HIERARCH ESO ISS PBL12 START | 54.23 |
HIERARCH ESO ISS PBL12 END | 54.213 |
HIERARCH ESO ISS PBLA12 START | 13.6 |
HIERARCH ESO ISS PBLA12 END | 13.9 |
HIERARCH ESO ISS PBL13 START | 99.644 |
HIERARCH ESO ISS PBL13 END | 99.61 |
HIERARCH ESO ISS PBLA13 START | 19.4 |
HIERARCH ESO ISS PBLA13 END | 19.6 |
HIERARCH ESO ISS PBL14 START | 130.173 |
HIERARCH ESO ISS PBL14 END | 130.181 |
HIERARCH ESO ISS PBLA14 START | 43.402 |
HIERARCH ESO ISS PBLA14 END | 43.701 |
HIERARCH ESO ISS PBL23 START | 46.004 |
HIERARCH ESO ISS PBL23 END | 45.99 |
HIERARCH ESO ISS PBLA23 START | 26.1 |
HIERARCH ESO ISS PBLA23 END | 26.4 |
HIERARCH ESO ISS PBL24 START | 87.35 |
HIERARCH ESO ISS PBL24 END | 87.422 |
HIERARCH ESO ISS PBLA24 START | 61.352 |
HIERARCH ESO ISS PBLA24 END | 61.672 |
HIERARCH ESO ISS PBL34 START | 56.407 |
HIERARCH ESO ISS PBL34 END | 56.523 |
HIERARCH ESO ISS PBLA34 START | 89.421 |
HIERARCH ESO ISS PBLA34 END | 89.716 |
HIERARCH ESO ISS AMBI TAU0 START | 0.006479 |
HIERARCH ESO ISS AMBI TAU0 END | 0.006705 |
HIERARCH ESO ISS AMBI TEMP | 11.31 |
HIERARCH ESO ISS AMBI FWHM START | 0.41 |
HIERARCH ESO ISS AMBI FWHM END | 0.43 |
HIERARCH ESO FT ROBJ NAME | WDSJ14077-4952B |
HIERARCH ESO FT ROBJ ALPHA | 140741.4805 |
HIERARCH ESO FT ROBJ DELTA | -495202.5295 |