Exposure
ID
GRAVI.2025-09-22T02:50:54.031_1
Header ID
GRAVI.2025-09-22T02:50:54.031
Date updated
2025-09-22 03:00:52 UTC+0000
Release date
2025-09-22 02:50:54 UTC+0000
UTC Start
2025-09-22 02:50:54.031
UTC End
2025-09-22 02:54:54.031
MJD Start
60940.11868091
MJD End
60940.12145868778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.006195
Ambient temperature (°C)
11.68
Seeing (arcsec)
0.48
Observation
ID
70487
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
52268
Name
hd196885b
RA
309.964329
DEC
11.25021
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 72.9980 72.0770 110.9000 111.0000
A0-J2 117.6280 116.6340 87.7000 87.4000
A0-K0 125.7430 125.3170 69.8350 69.5540
G1-J2 58.2290 58.2220 57.9000 57.7000
G1-K0 85.4800 85.7900 35.6750 35.7550
J2-K0 38.5320 38.5420 0.7450 1.3400
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9256(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60940.11868091
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME hd196885b
HIERARCH ESO INS SOBJ NAME hd196885b
RA 309.964329
DEC 11.25021
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 72.998
HIERARCH ESO ISS PBL12 END 72.077
HIERARCH ESO ISS PBLA12 START 110.9
HIERARCH ESO ISS PBLA12 END 111.0
HIERARCH ESO ISS PBL13 START 117.628
HIERARCH ESO ISS PBL13 END 116.634
HIERARCH ESO ISS PBLA13 START 87.7
HIERARCH ESO ISS PBLA13 END 87.4
HIERARCH ESO ISS PBL14 START 125.743
HIERARCH ESO ISS PBL14 END 125.317
HIERARCH ESO ISS PBLA14 START 69.835
HIERARCH ESO ISS PBLA14 END 69.554
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.222
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 85.48
HIERARCH ESO ISS PBL24 END 85.79
HIERARCH ESO ISS PBLA24 START 35.675
HIERARCH ESO ISS PBLA24 END 35.755
HIERARCH ESO ISS PBL34 START 38.532
HIERARCH ESO ISS PBL34 END 38.542
HIERARCH ESO ISS PBLA34 START 0.745
HIERARCH ESO ISS PBLA34 END 1.34
HIERARCH ESO ISS AMBI TAU0 START 0.006195
HIERARCH ESO ISS AMBI TAU0 END 0.006195
HIERARCH ESO ISS AMBI TEMP 11.68
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48
HIERARCH ESO FT ROBJ NAME hd196885a
HIERARCH ESO FT ROBJ ALPHA 203951.875
HIERARCH ESO FT ROBJ DELTA 111458.700