Exposure
ID
GRAVI.2023-08-16T07:55:51.099_1
Header ID
GRAVI.2023-08-16T07:55:51.099
Date updated
2023-08-16 08:05:40 UTC+0000
Release date
2024-08-16 08:05:40 UTC+0000
UTC Start
2023-08-16 07:55:51.099
UTC End
2023-08-16 07:59:51.099
MJD Start
60172.33045254
MJD End
60172.33323031778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0036575
Ambient temperature (°C)
10.27
Seeing (arcsec)
0.645
Observation
ID
56585
Category
science
Program ID
111.24N4.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART III
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ KERVELLA/ MÉRAND/ GIEREN/ GRACZYK
Target
ID
41925
Name
HD_9939
RA
24.353325
DEC
25.16668
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.4480 67.6240 276.1000 275.6000
K0-D0 87.1460 87.8060 261.8000 261.4000
K0-J3 45.6340 45.2680 319.7800 319.8710
G2-D0 27.3630 27.7070 224.5000 224.8000
G2-J3 46.7240 47.3240 53.5970 53.6790
D0-J3 73.8710 74.8210 50.2520 50.4030
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24N4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60172.33045254
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD9939
HIERARCH ESO INS SOBJ NAME HD_9939
RA 24.353325
DEC 25.16668
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 67.448
HIERARCH ESO ISS PBL12 END 67.624
HIERARCH ESO ISS PBLA12 START 276.1
HIERARCH ESO ISS PBLA12 END 275.6
HIERARCH ESO ISS PBL13 START 87.146
HIERARCH ESO ISS PBL13 END 87.806
HIERARCH ESO ISS PBLA13 START 261.8
HIERARCH ESO ISS PBLA13 END 261.4
HIERARCH ESO ISS PBL14 START 45.634
HIERARCH ESO ISS PBL14 END 45.268
HIERARCH ESO ISS PBLA14 START 319.78
HIERARCH ESO ISS PBLA14 END 319.871
HIERARCH ESO ISS PBL23 START 27.363
HIERARCH ESO ISS PBL23 END 27.707
HIERARCH ESO ISS PBLA23 START 224.5
HIERARCH ESO ISS PBLA23 END 224.8
HIERARCH ESO ISS PBL24 START 46.724
HIERARCH ESO ISS PBL24 END 47.324
HIERARCH ESO ISS PBLA24 START 53.597
HIERARCH ESO ISS PBLA24 END 53.679
HIERARCH ESO ISS PBL34 START 73.871
HIERARCH ESO ISS PBL34 END 74.821
HIERARCH ESO ISS PBLA34 START 50.252
HIERARCH ESO ISS PBLA34 END 50.403
HIERARCH ESO ISS AMBI TAU0 START 0.00383
HIERARCH ESO ISS AMBI TAU0 END 0.003485
HIERARCH ESO ISS AMBI TEMP 10.27
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.72