Exposure
ID
GRAVI.2025-03-01T07:22:44.734_1
Header ID
GRAVI.2025-03-01T07:22:44.734
Date updated
2025-03-01 07:35:45 UTC+0000
Release date
2025-03-01 07:22:44 UTC+0000
UTC Start
2025-03-01 07:22:44.734
UTC End
2025-03-01 07:24:44.734
MJD Start
60735.3074622
MJD End
60735.308851088885
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.010038499999999999
Ambient temperature (°C)
15.43
Seeing (arcsec)
0.5549999999999999
Observation
ID
64898
Category
calibrator
Program ID
114.278L.001
Program Title
CONJUNCTIONS OF ALPHA CENTAURI: GRAVITY ASTROMETRY OF THE B-S4 EVENT AND CRIRES CHARACTERIZATION OF SOURCE S5
Program Type
Normal
PI / COI
KERVELLA / MÉRAND / LACOUR / FORVEILLE / ARENOU / THEVENIN / BOURDAROT / BRANDNER / STRAUBMEIER / GARCIA / WOILLEZ / EISENHAUER / PAUMARD / ROUSSELET-PERRAUT / PERRIN
Target
ID
48329
Name
WDSJ15479-6527A
RA
236.965643
DEC
-65.44268
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 76.6530 76.8450 76.0000 76.5000
A0-J2 123.7520 123.8800 56.8000 57.3000
A0-K0 127.9650 127.9700 41.5480 42.0680
G1-J2 57.2040 57.1810 30.6000 31.1000
G1-K0 77.8730 77.8470 7.7640 8.1430
J2-K0 33.5840 33.6640 326.3060 326.6180
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.278L.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60735.3074622
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME WDSJ15479-6527A
HIERARCH ESO INS SOBJ NAME WDSJ15479-6527A
RA 236.965643
DEC -65.44268
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 137.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 76.653
HIERARCH ESO ISS PBL12 END 76.845
HIERARCH ESO ISS PBLA12 START 76.0
HIERARCH ESO ISS PBLA12 END 76.5
HIERARCH ESO ISS PBL13 START 123.752
HIERARCH ESO ISS PBL13 END 123.88
HIERARCH ESO ISS PBLA13 START 56.8
HIERARCH ESO ISS PBLA13 END 57.3
HIERARCH ESO ISS PBL14 START 127.965
HIERARCH ESO ISS PBL14 END 127.97
HIERARCH ESO ISS PBLA14 START 41.548
HIERARCH ESO ISS PBLA14 END 42.068
HIERARCH ESO ISS PBL23 START 57.204
HIERARCH ESO ISS PBL23 END 57.181
HIERARCH ESO ISS PBLA23 START 30.6
HIERARCH ESO ISS PBLA23 END 31.1
HIERARCH ESO ISS PBL24 START 77.873
HIERARCH ESO ISS PBL24 END 77.847
HIERARCH ESO ISS PBLA24 START 7.764
HIERARCH ESO ISS PBLA24 END 8.143
HIERARCH ESO ISS PBL34 START 33.584
HIERARCH ESO ISS PBL34 END 33.664
HIERARCH ESO ISS PBLA34 START 326.306
HIERARCH ESO ISS PBLA34 END 326.618
HIERARCH ESO ISS AMBI TAU0 START 0.00868
HIERARCH ESO ISS AMBI TAU0 END 0.011397
HIERARCH ESO ISS AMBI TEMP 15.43
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.57
HIERARCH ESO FT ROBJ NAME WDSJ15479-6527B
HIERARCH ESO FT ROBJ ALPHA 154753.2138
HIERARCH ESO FT ROBJ DELTA -652633.7101