Exposure
ID
GRAVI.2021-08-31T02:40:47.824_1
Header ID
GRAVI.2021-08-31T02:40:47.824
Date updated
2021-08-31 02:51:22 UTC+0000
Release date
2022-08-31 02:51:22 UTC+0000
UTC Start
2021-08-31 02:40:47.824
UTC End
2021-08-31 02:44:47.824
MJD Start
59457.11166463
MJD End
59457.1144424078
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003271
Ambient temperature (°C)
10.57
Seeing (arcsec)
1.04
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 23.4100 23.4100 179.6000 180.4000
A0-D0 18.4960 18.0420 90.4000 90.8000
A0-C1 16.8550 16.7600 158.1800 159.4030
B2-D0 29.6380 29.4590 38.2000 38.2000
B2-C1 9.8760 9.8160 38.2050 38.1560
D0-C1 19.7620 19.6430 218.2510 218.2020
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 59457.11166463
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 23.41
HIERARCH ESO ISS PBL12 END 23.41
HIERARCH ESO ISS PBLA12 START 179.6
HIERARCH ESO ISS PBLA12 END 180.4
HIERARCH ESO ISS PBL13 START 18.496
HIERARCH ESO ISS PBL13 END 18.042
HIERARCH ESO ISS PBLA13 START 90.4
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 16.855
HIERARCH ESO ISS PBL14 END 16.76
HIERARCH ESO ISS PBLA14 START 158.18
HIERARCH ESO ISS PBLA14 END 159.403
HIERARCH ESO ISS PBL23 START 29.638
HIERARCH ESO ISS PBL23 END 29.459
HIERARCH ESO ISS PBLA23 START 38.2
HIERARCH ESO ISS PBLA23 END 38.2
HIERARCH ESO ISS PBL24 START 9.876
HIERARCH ESO ISS PBL24 END 9.816
HIERARCH ESO ISS PBLA24 START 38.205
HIERARCH ESO ISS PBLA24 END 38.156
HIERARCH ESO ISS PBL34 START 19.762
HIERARCH ESO ISS PBL34 END 19.643
HIERARCH ESO ISS PBLA34 START 218.251
HIERARCH ESO ISS PBLA34 END 218.202
HIERARCH ESO ISS AMBI TAU0 START 0.003719
HIERARCH ESO ISS AMBI TAU0 END 0.002823
HIERARCH ESO ISS AMBI TEMP 10.57
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 1.15