Exposure
ID
GRAVI.2024-07-04T02:47:03.401_1
Header ID
GRAVI.2024-07-04T02:47:03.401
Date updated
2024-07-04 02:55:55 UTC+0000
Release date
2025-07-04 02:55:54 UTC+0000
UTC Start
2024-07-04 02:47:03.401
UTC End
2024-07-04 02:49:43.401
MJD Start
60495.11601158
MJD End
60495.1178634319
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.009816
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.355
Observation
ID
59889
Category
science
Program ID
113.26KC.001
Program Title
DYNAMICAL MASSES OF CLASSICAL BE STARS AND THEIR STRIPPED SUBDWARF COMPANIONS
Program Type
Normal
PI / COI
KLEMENT / RIVINIUS / BAADE / MÉRAND
Target
ID
41711
Name
chi_Oph
RA
246.753622
DEC
-18.45637
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 89.5210 89.3740 118.4000 118.6000
A0-J2 128.3290 128.1360 95.0000 95.3000
A0-K0 127.6360 127.5180 73.2740 73.4830
G1-J2 58.1960 58.1740 57.5000 57.7000
G1-K0 90.3980 90.4200 28.7370 28.9860
J2-K0 48.2920 48.2840 353.3390 353.6470
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26KC.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60495.11601158
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME chi Oph
HIERARCH ESO INS SOBJ NAME chi_Oph
RA 246.753622
DEC -18.45637
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 89.521
HIERARCH ESO ISS PBL12 END 89.374
HIERARCH ESO ISS PBLA12 START 118.4
HIERARCH ESO ISS PBLA12 END 118.6
HIERARCH ESO ISS PBL13 START 128.329
HIERARCH ESO ISS PBL13 END 128.136
HIERARCH ESO ISS PBLA13 START 95.0
HIERARCH ESO ISS PBLA13 END 95.3
HIERARCH ESO ISS PBL14 START 127.636
HIERARCH ESO ISS PBL14 END 127.518
HIERARCH ESO ISS PBLA14 START 73.274
HIERARCH ESO ISS PBLA14 END 73.483
HIERARCH ESO ISS PBL23 START 58.196
HIERARCH ESO ISS PBL23 END 58.174
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 90.398
HIERARCH ESO ISS PBL24 END 90.42
HIERARCH ESO ISS PBLA24 START 28.737
HIERARCH ESO ISS PBLA24 END 28.986
HIERARCH ESO ISS PBL34 START 48.292
HIERARCH ESO ISS PBL34 END 48.284
HIERARCH ESO ISS PBLA34 START 353.339
HIERARCH ESO ISS PBLA34 END 353.647
HIERARCH ESO ISS AMBI TAU0 START 0.010423
HIERARCH ESO ISS AMBI TAU0 END 0.009209
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.37