Exposure
ID
GRAVI.2021-08-31T02:31:32.801_1
Header ID
GRAVI.2021-08-31T02:31:32.801
Date updated
2021-08-31 02:46:51 UTC+0000
Release date
2022-08-31 02:46:51 UTC+0000
UTC Start
2021-08-31 02:31:32.801
UTC End
2021-08-31 02:35:32.801
MJD Start
59457.10524075
MJD End
59457.1080185278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0033105
Ambient temperature (°C)
10.54
Seeing (arcsec)
0.9
Observation
ID
48036
Category
science
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
36048
Name
HIP_80975
RA
248.031893
DEC
-21.46622
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 23.4180 23.4130 177.9000 178.7000
A0-D0 19.4620 19.0180 89.6000 89.9000
A0-C1 17.0750 16.9710 155.5910 156.7790
B2-D0 30.0140 29.8420 38.3000 38.3000
B2-C1 10.0010 9.9430 38.2720 38.2470
D0-C1 20.0130 19.8980 218.3190 218.2940
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.20RL.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59457.10524075
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HIP 80975
HIERARCH ESO INS SOBJ NAME HIP_80975
RA 248.031893
DEC -21.46622
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 23.418
HIERARCH ESO ISS PBL12 END 23.413
HIERARCH ESO ISS PBLA12 START 177.9
HIERARCH ESO ISS PBLA12 END 178.7
HIERARCH ESO ISS PBL13 START 19.462
HIERARCH ESO ISS PBL13 END 19.018
HIERARCH ESO ISS PBLA13 START 89.6
HIERARCH ESO ISS PBLA13 END 89.9
HIERARCH ESO ISS PBL14 START 17.075
HIERARCH ESO ISS PBL14 END 16.971
HIERARCH ESO ISS PBLA14 START 155.591
HIERARCH ESO ISS PBLA14 END 156.779
HIERARCH ESO ISS PBL23 START 30.014
HIERARCH ESO ISS PBL23 END 29.842
HIERARCH ESO ISS PBLA23 START 38.3
HIERARCH ESO ISS PBLA23 END 38.3
HIERARCH ESO ISS PBL24 START 10.001
HIERARCH ESO ISS PBL24 END 9.943
HIERARCH ESO ISS PBLA24 START 38.272
HIERARCH ESO ISS PBLA24 END 38.247
HIERARCH ESO ISS PBL34 START 20.013
HIERARCH ESO ISS PBL34 END 19.898
HIERARCH ESO ISS PBLA34 START 218.319
HIERARCH ESO ISS PBLA34 END 218.294
HIERARCH ESO ISS AMBI TAU0 START 0.00335
HIERARCH ESO ISS AMBI TAU0 END 0.003271
HIERARCH ESO ISS AMBI TEMP 10.54
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.94