Exposure
ID
GRAVI.2024-08-26T08:00:39.768_1
Header ID
GRAVI.2024-08-26T08:00:39.768
Date updated
2024-08-26 08:10:42 UTC+0000
Release date
2025-08-26 08:10:42 UTC+0000
UTC Start
2024-08-26 08:00:39.768
UTC End
2024-08-26 08:04:39.768
MJD Start
60548.33379361
MJD End
60548.33657138778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007615
Ambient temperature (°C)
12.48
Seeing (arcsec)
0.45999999999999996
Observation
ID
60429
Category
science
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
44880
Name
HD16646
RA
40.137852
DEC
18.59992
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 66.4020 66.6730 276.3000 275.9000
K0-D0 85.2210 85.9650 259.9000 259.6000
K0-J3 49.5770 49.2840 322.0900 322.1900
G2-D0 28.5900 28.8940 218.7000 219.1000
G2-J3 47.7050 48.2650 48.1590 48.4180
D0-J3 76.0540 76.9230 44.6290 44.9480
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60548.33379361
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD16646
HIERARCH ESO INS SOBJ NAME HD16646
RA 40.137852
DEC 18.59992
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 66.402
HIERARCH ESO ISS PBL12 END 66.673
HIERARCH ESO ISS PBLA12 START 276.3
HIERARCH ESO ISS PBLA12 END 275.9
HIERARCH ESO ISS PBL13 START 85.221
HIERARCH ESO ISS PBL13 END 85.965
HIERARCH ESO ISS PBLA13 START 259.9
HIERARCH ESO ISS PBLA13 END 259.6
HIERARCH ESO ISS PBL14 START 49.577
HIERARCH ESO ISS PBL14 END 49.284
HIERARCH ESO ISS PBLA14 START 322.09
HIERARCH ESO ISS PBLA14 END 322.19
HIERARCH ESO ISS PBL23 START 28.59
HIERARCH ESO ISS PBL23 END 28.894
HIERARCH ESO ISS PBLA23 START 218.7
HIERARCH ESO ISS PBLA23 END 219.1
HIERARCH ESO ISS PBL24 START 47.705
HIERARCH ESO ISS PBL24 END 48.265
HIERARCH ESO ISS PBLA24 START 48.159
HIERARCH ESO ISS PBLA24 END 48.418
HIERARCH ESO ISS PBL34 START 76.054
HIERARCH ESO ISS PBL34 END 76.923
HIERARCH ESO ISS PBLA34 START 44.629
HIERARCH ESO ISS PBLA34 END 44.948
HIERARCH ESO ISS AMBI TAU0 START 0.008314
HIERARCH ESO ISS AMBI TAU0 END 0.006916
HIERARCH ESO ISS AMBI TEMP 12.48
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.47