Exposure
ID
GRAVI.2025-05-28T09:42:04.473_1
Header ID
GRAVI.2025-05-28T09:42:04.473
Date updated
2025-05-28 09:56:03 UTC+0000
Release date
2025-05-28 09:42:04 UTC+0000
UTC Start
2025-05-28 09:42:04.473
UTC End
2025-05-28 09:48:44.473
MJD Start
60823.40421844
MJD End
60823.40884806963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0033695
Ambient temperature (°C)
11.97
Seeing (arcsec)
1.4500000000000002
Observation
ID
61048
Category
calibrator
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
45409
Name
HD_231808
RA
293.438131
DEC
15.24635
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 67.7880 66.0980 108.1000 108.1000
A0-J2 113.7130 111.8820 84.6000 84.0000
A0-K0 124.6010 123.7690 67.7440 67.1290
G1-J2 58.2110 58.1590 56.9000 56.4000
G1-K0 85.0980 85.6220 36.7090 36.7250
J2-K0 36.4760 36.5390 3.3190 4.3340
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60823.40421844
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD231808
HIERARCH ESO INS SOBJ NAME HD_231808
RA 293.438131
DEC 15.24635
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 67.788
HIERARCH ESO ISS PBL12 END 66.098
HIERARCH ESO ISS PBLA12 START 108.1
HIERARCH ESO ISS PBLA12 END 108.1
HIERARCH ESO ISS PBL13 START 113.713
HIERARCH ESO ISS PBL13 END 111.882
HIERARCH ESO ISS PBLA13 START 84.6
HIERARCH ESO ISS PBLA13 END 84.0
HIERARCH ESO ISS PBL14 START 124.601
HIERARCH ESO ISS PBL14 END 123.769
HIERARCH ESO ISS PBLA14 START 67.744
HIERARCH ESO ISS PBLA14 END 67.129
HIERARCH ESO ISS PBL23 START 58.211
HIERARCH ESO ISS PBL23 END 58.159
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 56.4
HIERARCH ESO ISS PBL24 START 85.098
HIERARCH ESO ISS PBL24 END 85.622
HIERARCH ESO ISS PBLA24 START 36.709
HIERARCH ESO ISS PBLA24 END 36.725
HIERARCH ESO ISS PBL34 START 36.476
HIERARCH ESO ISS PBL34 END 36.539
HIERARCH ESO ISS PBLA34 START 3.319
HIERARCH ESO ISS PBLA34 END 4.334
HIERARCH ESO ISS AMBI TAU0 START 0.00235
HIERARCH ESO ISS AMBI TAU0 END 0.004389
HIERARCH ESO ISS AMBI TEMP 11.97
HIERARCH ESO ISS AMBI FWHM START 1.59
HIERARCH ESO ISS AMBI FWHM END 1.31