Exposure
ID
GRAVI.2021-10-09T04:50:48.761_1
Header ID
GRAVI.2021-10-09T04:50:48.761
Date updated
2021-10-09 05:01:16 UTC+0000
Release date
2022-10-09 05:01:16 UTC+0000
UTC Start
2021-10-09 04:50:48.761
UTC End
2021-10-09 04:54:48.761
MJD Start
59496.20195325
MJD End
59496.2047310278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.001688
Ambient temperature (°C)
10.32
Seeing (arcsec)
1.32
Observation
ID
48404
Category
science
Program ID
108.221X.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MÉRAND/ GIEREN
Target
ID
36293
Name
AK_For
RA
52.344064
DEC
-24.10039
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 80.4130 81.0800 105.1000 105.4000
A0-J2 112.7340 113.7680 78.8000 79.4000
A0-K0 114.6090 115.3840 54.3390 55.0450
G1-J2 54.0520 54.2740 37.6000 38.3000
G1-K0 89.1580 89.2040 10.0050 10.6010
J2-K0 48.2470 48.2840 338.7630 339.0800
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59496.20195325
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME AK For
HIERARCH ESO INS SOBJ NAME AK_For
RA 52.344064
DEC -24.10039
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 80.413
HIERARCH ESO ISS PBL12 END 81.08
HIERARCH ESO ISS PBLA12 START 105.1
HIERARCH ESO ISS PBLA12 END 105.4
HIERARCH ESO ISS PBL13 START 112.734
HIERARCH ESO ISS PBL13 END 113.768
HIERARCH ESO ISS PBLA13 START 78.8
HIERARCH ESO ISS PBLA13 END 79.4
HIERARCH ESO ISS PBL14 START 114.609
HIERARCH ESO ISS PBL14 END 115.384
HIERARCH ESO ISS PBLA14 START 54.339
HIERARCH ESO ISS PBLA14 END 55.045
HIERARCH ESO ISS PBL23 START 54.052
HIERARCH ESO ISS PBL23 END 54.274
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 38.3
HIERARCH ESO ISS PBL24 START 89.158
HIERARCH ESO ISS PBL24 END 89.204
HIERARCH ESO ISS PBLA24 START 10.005
HIERARCH ESO ISS PBLA24 END 10.601
HIERARCH ESO ISS PBL34 START 48.247
HIERARCH ESO ISS PBL34 END 48.284
HIERARCH ESO ISS PBLA34 START 338.763
HIERARCH ESO ISS PBLA34 END 339.08
HIERARCH ESO ISS AMBI TAU0 START 0.001779
HIERARCH ESO ISS AMBI TAU0 END 0.001597
HIERARCH ESO ISS AMBI TEMP 10.32
HIERARCH ESO ISS AMBI FWHM START 1.34
HIERARCH ESO ISS AMBI FWHM END 1.3