Exposure
ID
GRAVI.2025-05-27T04:16:53.746_1
Header ID
GRAVI.2025-05-27T04:16:53.746
Date updated
2025-05-27 04:25:53 UTC+0000
Release date
2025-05-27 04:16:53 UTC+0000
UTC Start
2025-05-27 04:16:53.746
UTC End
2025-05-27 04:19:33.746
MJD Start
60822.17839984
MJD End
60822.180251691854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003246
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.63
Observation
ID
67585
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
50264
Name
HD_162415
RA
268.06838
DEC
-31.32825
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 80.7520 81.1890 102.4000 102.7000
A0-J2 116.6570 117.2500 76.6000 77.0000
A0-K0 120.0450 120.4370 53.5550 54.0780
G1-J2 56.3330 56.4320 37.9000 38.4000
G1-K0 90.4160 90.4240 11.2920 11.7020
J2-K0 47.3310 47.3750 339.0860 339.3330
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 60822.17839984
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.06838
DEC -31.32825
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 80.752
HIERARCH ESO ISS PBL12 END 81.189
HIERARCH ESO ISS PBLA12 START 102.4
HIERARCH ESO ISS PBLA12 END 102.7
HIERARCH ESO ISS PBL13 START 116.657
HIERARCH ESO ISS PBL13 END 117.25
HIERARCH ESO ISS PBLA13 START 76.6
HIERARCH ESO ISS PBLA13 END 77.0
HIERARCH ESO ISS PBL14 START 120.045
HIERARCH ESO ISS PBL14 END 120.437
HIERARCH ESO ISS PBLA14 START 53.555
HIERARCH ESO ISS PBLA14 END 54.078
HIERARCH ESO ISS PBL23 START 56.333
HIERARCH ESO ISS PBL23 END 56.432
HIERARCH ESO ISS PBLA23 START 37.9
HIERARCH ESO ISS PBLA23 END 38.4
HIERARCH ESO ISS PBL24 START 90.416
HIERARCH ESO ISS PBL24 END 90.424
HIERARCH ESO ISS PBLA24 START 11.292
HIERARCH ESO ISS PBLA24 END 11.702
HIERARCH ESO ISS PBL34 START 47.331
HIERARCH ESO ISS PBL34 END 47.375
HIERARCH ESO ISS PBLA34 START 339.086
HIERARCH ESO ISS PBLA34 END 339.333
HIERARCH ESO ISS AMBI TAU0 START 0.004178
HIERARCH ESO ISS AMBI TAU0 END 0.002314
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.72