Exposure
ID
GRAVI.2021-08-31T02:18:50.768_1
Header ID
GRAVI.2021-08-31T02:18:50.768
Date updated
2021-08-31 02:31:55 UTC+0000
Release date
2021-08-31 02:18:50 UTC+0000
UTC Start
2021-08-31 02:18:50.768
UTC End
2021-08-31 02:22:50.768
MJD Start
59457.09642093
MJD End
59457.0991987078
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003639
Ambient temperature (°C)
10.37
Seeing (arcsec)
0.765
Observation
ID
48035
Category
calibrator
Program ID
105.20RL.001
Program Title
A COMPLETE SEARCH FOR INTERMEDIATE MASS BINARIES WITH GRAVITY TARGETING A-STARS WITH GAIA-HIPPARCROS ACCELERATIONS
Program Type
Normal
PI / COI
WAISBERG/ KLEIN/ KATZ
Target
ID
36047
Name
HD_1494
RA
249.642368
DEC
-18.82575
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.0100 22.9920 174.2000 175.0000
A0-D0 21.4450 21.0240 85.0000 85.2000
A0-C1 17.0050 16.8730 149.3840 150.5050
B2-D0 31.2450 31.1000 37.6000 37.6000
B2-C1 10.4100 10.3620 37.5290 37.5310
D0-C1 20.8350 20.7380 217.5770 217.5780
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.20RL.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59457.09642093
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 149934
HIERARCH ESO INS SOBJ NAME HD_1494
RA 249.642368
DEC -18.82575
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 23.01
HIERARCH ESO ISS PBL12 END 22.992
HIERARCH ESO ISS PBLA12 START 174.2
HIERARCH ESO ISS PBLA12 END 175.0
HIERARCH ESO ISS PBL13 START 21.445
HIERARCH ESO ISS PBL13 END 21.024
HIERARCH ESO ISS PBLA13 START 85.0
HIERARCH ESO ISS PBLA13 END 85.2
HIERARCH ESO ISS PBL14 START 17.005
HIERARCH ESO ISS PBL14 END 16.873
HIERARCH ESO ISS PBLA14 START 149.384
HIERARCH ESO ISS PBLA14 END 150.505
HIERARCH ESO ISS PBL23 START 31.245
HIERARCH ESO ISS PBL23 END 31.1
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 37.6
HIERARCH ESO ISS PBL24 START 10.41
HIERARCH ESO ISS PBL24 END 10.362
HIERARCH ESO ISS PBLA24 START 37.529
HIERARCH ESO ISS PBLA24 END 37.531
HIERARCH ESO ISS PBL34 START 20.835
HIERARCH ESO ISS PBL34 END 20.738
HIERARCH ESO ISS PBLA34 START 217.577
HIERARCH ESO ISS PBLA34 END 217.578
HIERARCH ESO ISS AMBI TAU0 START 0.003909
HIERARCH ESO ISS AMBI TAU0 END 0.003369
HIERARCH ESO ISS AMBI TEMP 10.37
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.78