Exposure
ID
GRAVI.2025-05-22T04:54:07.344_1
Header ID
GRAVI.2025-05-22T04:54:07.344
Date updated
2025-05-22 05:05:58 UTC+0000
Release date
2025-05-22 04:54:07 UTC+0000
UTC Start
2025-05-22 04:54:07.344
UTC End
2025-05-22 04:56:47.344
MJD Start
60817.20425167
MJD End
60817.20610352186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0082015
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.45499999999999996
Observation
ID
67512
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50213
Name
eta_Sco
RA
258.03848
DEC
-43.24082
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.9510 67.0770 260.9000 261.4000
K0-D0 95.7130 95.7690 241.5000 242.0000
K0-J3 52.2820 52.4000 324.4670 324.7950
G2-D0 39.4350 39.4050 207.2000 207.6000
G2-J3 64.0290 63.9870 33.9090 34.3630
D0-J3 103.2950 103.2220 31.3380 31.7820
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60817.20425167
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eta Sco
HIERARCH ESO INS SOBJ NAME eta_Sco
RA 258.03848
DEC -43.24082
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 66.951
HIERARCH ESO ISS PBL12 END 67.077
HIERARCH ESO ISS PBLA12 START 260.9
HIERARCH ESO ISS PBLA12 END 261.4
HIERARCH ESO ISS PBL13 START 95.713
HIERARCH ESO ISS PBL13 END 95.769
HIERARCH ESO ISS PBLA13 START 241.5
HIERARCH ESO ISS PBLA13 END 242.0
HIERARCH ESO ISS PBL14 START 52.282
HIERARCH ESO ISS PBL14 END 52.4
HIERARCH ESO ISS PBLA14 START 324.467
HIERARCH ESO ISS PBLA14 END 324.795
HIERARCH ESO ISS PBL23 START 39.435
HIERARCH ESO ISS PBL23 END 39.405
HIERARCH ESO ISS PBLA23 START 207.2
HIERARCH ESO ISS PBLA23 END 207.6
HIERARCH ESO ISS PBL24 START 64.029
HIERARCH ESO ISS PBL24 END 63.987
HIERARCH ESO ISS PBLA24 START 33.909
HIERARCH ESO ISS PBLA24 END 34.363
HIERARCH ESO ISS PBL34 START 103.295
HIERARCH ESO ISS PBL34 END 103.222
HIERARCH ESO ISS PBLA34 START 31.338
HIERARCH ESO ISS PBLA34 END 31.782
HIERARCH ESO ISS AMBI TAU0 START 0.007365
HIERARCH ESO ISS AMBI TAU0 END 0.009038
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.44