Exposure
ID
GRAVI.2022-12-28T01:13:20.633_1
Header ID
GRAVI.2022-12-28T01:13:20.633
Date updated
2022-12-28 01:26:08 UTC+0000
Release date
2023-12-28 01:26:08 UTC+0000
UTC Start
2022-12-28 01:13:20.633
UTC End
2022-12-28 01:17:20.633
MJD Start
59941.05093325
MJD End
59941.0537110278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00843
Ambient temperature (°C)
12.6
Seeing (arcsec)
0.48
Observation
ID
53709
Category
science
Program ID
110.23QY.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GIEREN/ KERVELLA/ MÉRAND/ GRACZYK
Target
ID
39922
Name
HD16646
RA
40.137854
DEC
18.59991
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.1040 67.9920 269.9000 269.5000
K0-D0 94.7300 94.9770 254.9000 254.6000
K0-J3 43.4740 43.1190 326.1080 326.4710
G2-D0 33.9040 34.1580 223.5000 223.6000
G2-J3 56.8880 57.2940 50.4490 50.4450
D0-J3 90.6360 91.3000 47.8590 47.8970
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.23QY.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59941.05093325
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD16646
HIERARCH ESO INS SOBJ NAME HD16646
RA 40.137854
DEC 18.59991
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 68.104
HIERARCH ESO ISS PBL12 END 67.992
HIERARCH ESO ISS PBLA12 START 269.9
HIERARCH ESO ISS PBLA12 END 269.5
HIERARCH ESO ISS PBL13 START 94.73
HIERARCH ESO ISS PBL13 END 94.977
HIERARCH ESO ISS PBLA13 START 254.9
HIERARCH ESO ISS PBLA13 END 254.6
HIERARCH ESO ISS PBL14 START 43.474
HIERARCH ESO ISS PBL14 END 43.119
HIERARCH ESO ISS PBLA14 START 326.108
HIERARCH ESO ISS PBLA14 END 326.471
HIERARCH ESO ISS PBL23 START 33.904
HIERARCH ESO ISS PBL23 END 34.158
HIERARCH ESO ISS PBLA23 START 223.5
HIERARCH ESO ISS PBLA23 END 223.6
HIERARCH ESO ISS PBL24 START 56.888
HIERARCH ESO ISS PBL24 END 57.294
HIERARCH ESO ISS PBLA24 START 50.449
HIERARCH ESO ISS PBLA24 END 50.445
HIERARCH ESO ISS PBL34 START 90.636
HIERARCH ESO ISS PBL34 END 91.3
HIERARCH ESO ISS PBLA34 START 47.859
HIERARCH ESO ISS PBLA34 END 47.897
HIERARCH ESO ISS AMBI TAU0 START 0.007449
HIERARCH ESO ISS AMBI TAU0 END 0.009411
HIERARCH ESO ISS AMBI TEMP 12.6
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.39