Exposure
- ID
- GRAVI.2025-10-05T00:07:02.968_2
- Header ID
- GRAVI.2025-10-05T00:07:02.968
- Date updated
- 2025-10-05 00:16:04 UTC+0000
- Release date
- 2025-10-05 00:16:04 UTC+0000
- UTC Start
- 2025-10-05 00:07:02.968
- UTC End
- 2025-10-05 00:08:22.968
- MJD Start
- 60953.00489546
- MJD End
- 60953.00582138592
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042695
- Ambient temperature (°C)
- 12.09
- Seeing (arcsec)
- 0.565
Observation
- ID
- 70656
- Category
- science
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52416
- Name
- P1954_B
- RA
- 277.67686249999997
- DEC
- -29.606621944444445
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.1620 | 54.1070 | 35.9000 | 36.0000 |
| U1-U3 | 97.0610 | 96.9350 | 42.2000 | 42.3000 |
| U1-U4 | 118.8750 | 118.5850 | 71.8420 | 71.9810 |
| U2-U3 | 43.6450 | 43.5720 | 50.1000 | 50.2000 |
| U2-U4 | 81.4870 | 81.2760 | 94.8060 | 95.0050 |
| U3-U4 | 59.0490 | 58.9540 | 126.1120 | 126.3650 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60953.00489546 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | P1954_B |
| HIERARCH ESO INS SOBJ NAME | P1954_B |
| RA | 277.676815 |
| DEC | -29.60775 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 95.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 54.162 |
| HIERARCH ESO ISS PBL12 END | 54.107 |
| HIERARCH ESO ISS PBLA12 START | 35.9 |
| HIERARCH ESO ISS PBLA12 END | 36.0 |
| HIERARCH ESO ISS PBL13 START | 97.061 |
| HIERARCH ESO ISS PBL13 END | 96.935 |
| HIERARCH ESO ISS PBLA13 START | 42.2 |
| HIERARCH ESO ISS PBLA13 END | 42.3 |
| HIERARCH ESO ISS PBL14 START | 118.875 |
| HIERARCH ESO ISS PBL14 END | 118.585 |
| HIERARCH ESO ISS PBLA14 START | 71.842 |
| HIERARCH ESO ISS PBLA14 END | 71.981 |
| HIERARCH ESO ISS PBL23 START | 43.645 |
| HIERARCH ESO ISS PBL23 END | 43.572 |
| HIERARCH ESO ISS PBLA23 START | 50.1 |
| HIERARCH ESO ISS PBLA23 END | 50.2 |
| HIERARCH ESO ISS PBL24 START | 81.487 |
| HIERARCH ESO ISS PBL24 END | 81.276 |
| HIERARCH ESO ISS PBLA24 START | 94.806 |
| HIERARCH ESO ISS PBLA24 END | 95.005 |
| HIERARCH ESO ISS PBL34 START | 59.049 |
| HIERARCH ESO ISS PBL34 END | 58.954 |
| HIERARCH ESO ISS PBLA34 START | 126.112 |
| HIERARCH ESO ISS PBLA34 END | 126.365 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004461 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004078 |
| HIERARCH ESO ISS AMBI TEMP | 12.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | P1954_B |
| HIERARCH ESO FT ROBJ ALPHA | 183042.447 |
| HIERARCH ESO FT ROBJ DELTA | -293623.839 |