Exposure
ID
GRAVI.2021-08-31T02:26:59.789_1
Header ID
GRAVI.2021-08-31T02:26:59.789
Date updated
2021-08-31 02:41:40 UTC+0000
Release date
2022-08-31 02:41:40 UTC+0000
UTC Start
2021-08-31 02:26:59.789
UTC End
2021-08-31 02:30:59.789
MJD Start
59457.10208089
MJD End
59457.1048586678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0030995
Ambient temperature (°C)
10.41
Seeing (arcsec)
0.915
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 23.4260 23.4180 177.0000 177.8000
A0-D0 19.9270 19.4890 89.2000 89.5000
A0-C1 17.1900 17.0820 154.3490 155.5170
B2-D0 30.1930 30.0240 38.3000 38.3000
B2-C1 10.0600 10.0040 38.2860 38.2730
D0-C1 20.1330 20.0200 218.3340 218.3210
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 59457.10208089
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 23.426
HIERARCH ESO ISS PBL12 END 23.418
HIERARCH ESO ISS PBLA12 START 177.0
HIERARCH ESO ISS PBLA12 END 177.8
HIERARCH ESO ISS PBL13 START 19.927
HIERARCH ESO ISS PBL13 END 19.489
HIERARCH ESO ISS PBLA13 START 89.2
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 17.19
HIERARCH ESO ISS PBL14 END 17.082
HIERARCH ESO ISS PBLA14 START 154.349
HIERARCH ESO ISS PBLA14 END 155.517
HIERARCH ESO ISS PBL23 START 30.193
HIERARCH ESO ISS PBL23 END 30.024
HIERARCH ESO ISS PBLA23 START 38.3
HIERARCH ESO ISS PBLA23 END 38.3
HIERARCH ESO ISS PBL24 START 10.06
HIERARCH ESO ISS PBL24 END 10.004
HIERARCH ESO ISS PBLA24 START 38.286
HIERARCH ESO ISS PBLA24 END 38.273
HIERARCH ESO ISS PBL34 START 20.133
HIERARCH ESO ISS PBL34 END 20.02
HIERARCH ESO ISS PBLA34 START 218.334
HIERARCH ESO ISS PBLA34 END 218.321
HIERARCH ESO ISS AMBI TAU0 START 0.002849
HIERARCH ESO ISS AMBI TAU0 END 0.00335
HIERARCH ESO ISS AMBI TEMP 10.41
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.86