Exposure
- ID
- GRAVI.2025-07-25T03:37:36.199_2
- Header ID
- GRAVI.2025-07-25T03:37:36.199
- Date updated
- 2025-07-25 03:51:01 UTC+0000
- Release date
- 2025-07-25 03:37:36 UTC+0000
- UTC Start
- 2025-07-25 03:37:36.199
- UTC End
- 2025-07-25 03:41:36.199
- MJD Start
- 60881.15111342
- MJD End
- 60881.15389119778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027475
- Ambient temperature (°C)
- 12.54
- Seeing (arcsec)
- 0.6
Observation
- ID
- 68962
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 51306
- Name
- hd174536a
- RA
- 282.9043833333333
- DEC
- -17.310528611111113
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 25.0510 | 25.0120 | 143.8000 | 144.3000 |
| A0-D0 | 31.9980 | 31.9830 | 72.3000 | 72.6000 |
| A0-C1 | 22.4780 | 22.4350 | 117.1230 | 117.4950 |
| B2-D0 | 33.8080 | 33.8310 | 27.7000 | 28.1000 |
| B2-C1 | 11.2620 | 11.2690 | 27.6390 | 28.0280 |
| D0-C1 | 22.5460 | 22.5620 | 207.7030 | 208.0910 |
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 | 60881.15111342 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd174536b |
| HIERARCH ESO INS SOBJ NAME | hd174536b |
| RA | 282.902022 |
| DEC | -17.31035 |
| 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 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 25.051 |
| HIERARCH ESO ISS PBL12 END | 25.012 |
| HIERARCH ESO ISS PBLA12 START | 143.8 |
| HIERARCH ESO ISS PBLA12 END | 144.3 |
| HIERARCH ESO ISS PBL13 START | 31.998 |
| HIERARCH ESO ISS PBL13 END | 31.983 |
| HIERARCH ESO ISS PBLA13 START | 72.3 |
| HIERARCH ESO ISS PBLA13 END | 72.6 |
| HIERARCH ESO ISS PBL14 START | 22.478 |
| HIERARCH ESO ISS PBL14 END | 22.435 |
| HIERARCH ESO ISS PBLA14 START | 117.123 |
| HIERARCH ESO ISS PBLA14 END | 117.495 |
| HIERARCH ESO ISS PBL23 START | 33.808 |
| HIERARCH ESO ISS PBL23 END | 33.831 |
| HIERARCH ESO ISS PBLA23 START | 27.7 |
| HIERARCH ESO ISS PBLA23 END | 28.1 |
| HIERARCH ESO ISS PBL24 START | 11.262 |
| HIERARCH ESO ISS PBL24 END | 11.269 |
| HIERARCH ESO ISS PBLA24 START | 27.639 |
| HIERARCH ESO ISS PBLA24 END | 28.028 |
| HIERARCH ESO ISS PBL34 START | 22.546 |
| HIERARCH ESO ISS PBL34 END | 22.562 |
| HIERARCH ESO ISS PBLA34 START | 207.703 |
| HIERARCH ESO ISS PBLA34 END | 208.091 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002738 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002757 |
| HIERARCH ESO ISS AMBI TEMP | 12.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | hd174536a |
| HIERARCH ESO FT ROBJ ALPHA | 185137.052 |
| HIERARCH ESO FT ROBJ DELTA | -171837.903 |