Exposure
ID
GRAVI.2022-04-12T07:22:05.209_1
Header ID
GRAVI.2022-04-12T07:22:05.209
Date updated
2022-04-12 07:32:10 UTC+0000
Release date
2023-04-12 07:32:10 UTC+0000
UTC Start
2022-04-12 07:22:05.209
UTC End
2022-04-12 07:26:05.209
MJD Start
59681.30700473
MJD End
59681.3097825078
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0021265
Ambient temperature (°C)
7.49
Seeing (arcsec)
1.635
Observation
ID
50483
Category
science
Program ID
109.23BV.001
Program Title
COMPLETING THE SEARCH FOR INTERMEDIATE MASS BINARIES WITH GRAVITY TARGETING A-STARS WITH GAIA-HIPPARCOS ACCELERATIONS
Program Type
Normal
PI / COI
WAISBERG/ KLEIN/ KATZ
Target
ID
37733
Name
HIP77660
RA
237.812296
DEC
-3.09064
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.6900 88.3730 114.8000 114.9000
A0-J2 128.9900 128.8210 92.8000 92.8000
A0-K0 127.5940 127.7500 72.4700 72.5460
G1-J2 57.3440 57.4950 57.4000 57.5000
G1-K0 86.0440 86.2900 28.5540 28.9070
J2-K0 45.2420 45.1900 350.8750 351.3460
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.23BV.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59681.30700473
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME b Ser
HIERARCH ESO INS SOBJ NAME HIP77660
RA 237.812296
DEC -3.09064
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 88.69
HIERARCH ESO ISS PBL12 END 88.373
HIERARCH ESO ISS PBLA12 START 114.8
HIERARCH ESO ISS PBLA12 END 114.9
HIERARCH ESO ISS PBL13 START 128.99
HIERARCH ESO ISS PBL13 END 128.821
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 127.594
HIERARCH ESO ISS PBL14 END 127.75
HIERARCH ESO ISS PBLA14 START 72.47
HIERARCH ESO ISS PBLA14 END 72.546
HIERARCH ESO ISS PBL23 START 57.344
HIERARCH ESO ISS PBL23 END 57.495
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.5
HIERARCH ESO ISS PBL24 START 86.044
HIERARCH ESO ISS PBL24 END 86.29
HIERARCH ESO ISS PBLA24 START 28.554
HIERARCH ESO ISS PBLA24 END 28.907
HIERARCH ESO ISS PBL34 START 45.242
HIERARCH ESO ISS PBL34 END 45.19
HIERARCH ESO ISS PBLA34 START 350.875
HIERARCH ESO ISS PBLA34 END 351.346
HIERARCH ESO ISS AMBI TAU0 START 0.002126
HIERARCH ESO ISS AMBI TAU0 END 0.002127
HIERARCH ESO ISS AMBI TEMP 7.49
HIERARCH ESO ISS AMBI FWHM START 1.85
HIERARCH ESO ISS AMBI FWHM END 1.42