Exposure
ID
GRAVI.2025-05-28T08:06:58.231_1
Header ID
GRAVI.2025-05-28T08:06:58.231
Date updated
2025-05-28 08:33:30 UTC+0000
Release date
2025-05-28 08:06:58 UTC+0000
UTC Start
2025-05-28 08:06:58.231
UTC End
2025-05-28 08:13:38.231
MJD Start
60823.33817397
MJD End
60823.342803599626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0047279999999999996
Ambient temperature (°C)
13.52
Seeing (arcsec)
0.7749999999999999
Observation
ID
61046
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
45407
Name
HD_174718
RA
282.948495
DEC
4.69995
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 81.7500 80.6490 113.8000 114.0000
A0-J2 124.5200 123.4210 91.4000 91.2000
A0-K0 127.6120 127.2800 72.3240 72.1310
G1-J2 58.0740 58.1640 58.8000 58.7000
G1-K0 85.6690 86.1390 33.1070 33.4390
J2-K0 41.8090 41.7630 356.0200 356.9020
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 60823.33817397
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD174718
HIERARCH ESO INS SOBJ NAME HD_174718
RA 282.948495
DEC 4.69995
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 81.75
HIERARCH ESO ISS PBL12 END 80.649
HIERARCH ESO ISS PBLA12 START 113.8
HIERARCH ESO ISS PBLA12 END 114.0
HIERARCH ESO ISS PBL13 START 124.52
HIERARCH ESO ISS PBL13 END 123.421
HIERARCH ESO ISS PBLA13 START 91.4
HIERARCH ESO ISS PBLA13 END 91.2
HIERARCH ESO ISS PBL14 START 127.612
HIERARCH ESO ISS PBL14 END 127.28
HIERARCH ESO ISS PBLA14 START 72.324
HIERARCH ESO ISS PBLA14 END 72.131
HIERARCH ESO ISS PBL23 START 58.074
HIERARCH ESO ISS PBL23 END 58.164
HIERARCH ESO ISS PBLA23 START 58.8
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 85.669
HIERARCH ESO ISS PBL24 END 86.139
HIERARCH ESO ISS PBLA24 START 33.107
HIERARCH ESO ISS PBLA24 END 33.439
HIERARCH ESO ISS PBL34 START 41.809
HIERARCH ESO ISS PBL34 END 41.763
HIERARCH ESO ISS PBLA34 START 356.02
HIERARCH ESO ISS PBLA34 END 356.902
HIERARCH ESO ISS AMBI TAU0 START 0.0042
HIERARCH ESO ISS AMBI TAU0 END 0.005256
HIERARCH ESO ISS AMBI TEMP 13.52
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.72