Exposure
ID
GRAVI.2025-09-22T08:45:51.907_1
Header ID
GRAVI.2025-09-22T08:45:51.907
Date updated
2025-09-22 08:55:46 UTC+0000
Release date
2026-09-22 08:55:46 UTC+0000
UTC Start
2025-09-22 08:45:51.907
UTC End
2025-09-22 08:49:51.907
MJD Start
60940.36518411
MJD End
60940.36796188778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005935
Ambient temperature (°C)
12.07
Seeing (arcsec)
0.5
Observation
ID
70498
Category
science
Program ID
115.282L.002
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
52276
Name
CD-69_221
RA
65.473313
DEC
-69.58462
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 85.5780 85.7590 106.4000 107.4000
A0-J2 129.0570 129.0990 89.3000 90.3000
A0-K0 125.0540 124.8820 73.6230 74.5930
G1-J2 53.6320 53.5020 61.1000 62.1000
G1-K0 70.5300 70.3300 32.5110 33.2530
J2-K0 34.7900 34.8460 344.9010 345.5440
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60940.36518411
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CD-69 221
HIERARCH ESO INS SOBJ NAME CD-69_221
RA 65.473313
DEC -69.58462
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 85.578
HIERARCH ESO ISS PBL12 END 85.759
HIERARCH ESO ISS PBLA12 START 106.4
HIERARCH ESO ISS PBLA12 END 107.4
HIERARCH ESO ISS PBL13 START 129.057
HIERARCH ESO ISS PBL13 END 129.099
HIERARCH ESO ISS PBLA13 START 89.3
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 125.054
HIERARCH ESO ISS PBL14 END 124.882
HIERARCH ESO ISS PBLA14 START 73.623
HIERARCH ESO ISS PBLA14 END 74.593
HIERARCH ESO ISS PBL23 START 53.632
HIERARCH ESO ISS PBL23 END 53.502
HIERARCH ESO ISS PBLA23 START 61.1
HIERARCH ESO ISS PBLA23 END 62.1
HIERARCH ESO ISS PBL24 START 70.53
HIERARCH ESO ISS PBL24 END 70.33
HIERARCH ESO ISS PBLA24 START 32.511
HIERARCH ESO ISS PBLA24 END 33.253
HIERARCH ESO ISS PBL34 START 34.79
HIERARCH ESO ISS PBL34 END 34.846
HIERARCH ESO ISS PBLA34 START 344.901
HIERARCH ESO ISS PBLA34 END 345.544
HIERARCH ESO ISS AMBI TAU0 START 0.005935
HIERARCH ESO ISS AMBI TAU0 END 0.005935
HIERARCH ESO ISS AMBI TEMP 12.07
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.48