Exposure
- ID
- GRAVI.2025-07-25T03:33:06.188_2
- Header ID
- GRAVI.2025-07-25T03:33:06.188
- Date updated
- 2025-07-25 03:46:06 UTC+0000
- Release date
- 2025-07-25 03:33:06 UTC+0000
- UTC Start
- 2025-07-25 03:33:06.188
- UTC End
- 2025-07-25 03:37:06.188
- MJD Start
- 60881.14798829
- MJD End
- 60881.15076606778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00279
- Ambient temperature (°C)
- 12.41
- Seeing (arcsec)
- 0.7
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 | 25.0890 | 25.0530 | 143.4000 | 143.8000 |
| A0-D0 | 32.0040 | 31.9990 | 72.0000 | 72.3000 |
| A0-C1 | 22.5180 | 22.4810 | 116.7340 | 117.0970 |
| B2-D0 | 33.7810 | 33.8060 | 27.3000 | 27.7000 |
| B2-C1 | 11.2530 | 11.2610 | 27.2140 | 27.6110 |
| D0-C1 | 22.5280 | 22.5450 | 207.2780 | 207.6750 |
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 | 60881.14798829 |
| 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 | 25.089 |
| HIERARCH ESO ISS PBL12 END | 25.053 |
| HIERARCH ESO ISS PBLA12 START | 143.4 |
| HIERARCH ESO ISS PBLA12 END | 143.8 |
| HIERARCH ESO ISS PBL13 START | 32.004 |
| HIERARCH ESO ISS PBL13 END | 31.999 |
| HIERARCH ESO ISS PBLA13 START | 72.0 |
| HIERARCH ESO ISS PBLA13 END | 72.3 |
| HIERARCH ESO ISS PBL14 START | 22.518 |
| HIERARCH ESO ISS PBL14 END | 22.481 |
| HIERARCH ESO ISS PBLA14 START | 116.734 |
| HIERARCH ESO ISS PBLA14 END | 117.097 |
| HIERARCH ESO ISS PBL23 START | 33.781 |
| HIERARCH ESO ISS PBL23 END | 33.806 |
| HIERARCH ESO ISS PBLA23 START | 27.3 |
| HIERARCH ESO ISS PBLA23 END | 27.7 |
| HIERARCH ESO ISS PBL24 START | 11.253 |
| HIERARCH ESO ISS PBL24 END | 11.261 |
| HIERARCH ESO ISS PBLA24 START | 27.214 |
| HIERARCH ESO ISS PBLA24 END | 27.611 |
| HIERARCH ESO ISS PBL34 START | 22.528 |
| HIERARCH ESO ISS PBL34 END | 22.545 |
| HIERARCH ESO ISS PBLA34 START | 207.278 |
| HIERARCH ESO ISS PBLA34 END | 207.675 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002842 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002738 |
| HIERARCH ESO ISS AMBI TEMP | 12.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | hd174536a |
| HIERARCH ESO FT ROBJ ALPHA | 185137.052 |
| HIERARCH ESO FT ROBJ DELTA | -171837.903 |