Exposure
ID
GRAVI.2025-03-10T06:50:20.709_1
Header ID
GRAVI.2025-03-10T06:50:20.709
Date updated
2025-03-10 07:00:40 UTC+0000
Release date
2025-03-10 06:50:20 UTC+0000
UTC Start
2025-03-10 06:50:20.709
UTC End
2025-03-10 06:52:20.709
MJD Start
60744.28496191
MJD End
60744.28635079889
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.014658000000000001
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.49
Observation
ID
65010
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
48404
Name
WDSJ15479-6527A
RA
236.965642
DEC
-65.44268
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
DUAL
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 18.0770 18.1470 106.7000 107.2000
A0-D0 32.0010 32.0020 42.2000 42.7000
A0-C1 19.2220 19.2690 76.6810 77.2300
B2-D0 29.1940 29.1830 8.3000 8.6000
B2-C1 9.7220 9.7180 8.2250 8.6030
D0-C1 19.4720 19.4650 188.2830 188.6620
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 60744.28496191
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME WDSJ15479-6527A
HIERARCH ESO INS SOBJ NAME WDSJ15479-6527A
RA 236.965642
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 137.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 18.077
HIERARCH ESO ISS PBL12 END 18.147
HIERARCH ESO ISS PBLA12 START 106.7
HIERARCH ESO ISS PBLA12 END 107.2
HIERARCH ESO ISS PBL13 START 32.001
HIERARCH ESO ISS PBL13 END 32.002
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 19.222
HIERARCH ESO ISS PBL14 END 19.269
HIERARCH ESO ISS PBLA14 START 76.681
HIERARCH ESO ISS PBLA14 END 77.23
HIERARCH ESO ISS PBL23 START 29.194
HIERARCH ESO ISS PBL23 END 29.183
HIERARCH ESO ISS PBLA23 START 8.3
HIERARCH ESO ISS PBLA23 END 8.6
HIERARCH ESO ISS PBL24 START 9.722
HIERARCH ESO ISS PBL24 END 9.718
HIERARCH ESO ISS PBLA24 START 8.225
HIERARCH ESO ISS PBLA24 END 8.603
HIERARCH ESO ISS PBL34 START 19.472
HIERARCH ESO ISS PBL34 END 19.465
HIERARCH ESO ISS PBLA34 START 188.283
HIERARCH ESO ISS PBLA34 END 188.662
HIERARCH ESO ISS AMBI TAU0 START 0.015249
HIERARCH ESO ISS AMBI TAU0 END 0.014067
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49
HIERARCH ESO FT ROBJ NAME WDSJ15479-6527B
HIERARCH ESO FT ROBJ ALPHA 154753.2138
HIERARCH ESO FT ROBJ DELTA -652633.7101