Exposure
ID
GRAVI.2024-07-04T02:40:21.384_1
Header ID
GRAVI.2024-07-04T02:40:21.384
Date updated
2024-07-04 02:50:57 UTC+0000
Release date
2025-07-04 02:50:57 UTC+0000
UTC Start
2024-07-04 02:40:21.384
UTC End
2024-07-04 02:43:01.384
MJD Start
60495.11135861
MJD End
60495.1132104619
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007877
Ambient temperature (°C)
14.92
Seeing (arcsec)
0.465
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 89.8210 89.6960 117.7000 118.0000
A0-J2 128.7040 128.5520 94.5000 94.7000
A0-K0 127.8410 127.7630 72.7590 72.9820
G1-J2 58.2260 58.2170 56.9000 57.2000
G1-K0 90.3380 90.3660 28.1240 28.3900
J2-K0 48.3120 48.3030 352.6060 352.9220
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 60495.11135861
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 89.821
HIERARCH ESO ISS PBL12 END 89.696
HIERARCH ESO ISS PBLA12 START 117.7
HIERARCH ESO ISS PBLA12 END 118.0
HIERARCH ESO ISS PBL13 START 128.704
HIERARCH ESO ISS PBL13 END 128.552
HIERARCH ESO ISS PBLA13 START 94.5
HIERARCH ESO ISS PBLA13 END 94.7
HIERARCH ESO ISS PBL14 START 127.841
HIERARCH ESO ISS PBL14 END 127.763
HIERARCH ESO ISS PBLA14 START 72.759
HIERARCH ESO ISS PBLA14 END 72.982
HIERARCH ESO ISS PBL23 START 58.226
HIERARCH ESO ISS PBL23 END 58.217
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 57.2
HIERARCH ESO ISS PBL24 START 90.338
HIERARCH ESO ISS PBL24 END 90.366
HIERARCH ESO ISS PBLA24 START 28.124
HIERARCH ESO ISS PBLA24 END 28.39
HIERARCH ESO ISS PBL34 START 48.312
HIERARCH ESO ISS PBL34 END 48.303
HIERARCH ESO ISS PBLA34 START 352.606
HIERARCH ESO ISS PBLA34 END 352.922
HIERARCH ESO ISS AMBI TAU0 START 0.008017
HIERARCH ESO ISS AMBI TAU0 END 0.007737
HIERARCH ESO ISS AMBI TEMP 14.92
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.45