Exposure
- ID
- GRAVI.2024-05-31T04:51:22.154_2
- Header ID
- GRAVI.2024-05-31T04:51:22.154
- Date updated
- 2024-05-31 05:05:29 UTC+0000
- Release date
- 2024-05-31 04:51:22 UTC+0000
- UTC Start
- 2024-05-31 04:51:22.154
- UTC End
- 2024-05-31 04:57:22.154
- MJD Start
- 60461.20233974
- MJD End
- 60461.2065064067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005151
- Ambient temperature (°C)
- 16.39
- Seeing (arcsec)
- 0.82
Observation
- ID
- 59421
- Category
- calibrator
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.5480 | 56.5550 | 19.0000 | 19.8000 |
| U1-U3 | 102.3200 | 102.3660 | 25.2000 | 26.0000 |
| U1-U4 | 128.6370 | 129.0090 | 52.6520 | 53.5590 |
| U2-U3 | 46.4950 | 46.5400 | 32.6000 | 33.5000 |
| U2-U4 | 87.3810 | 87.8060 | 73.6690 | 74.5310 |
| U3-U4 | 60.5580 | 60.9060 | 103.9350 | 104.6330 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60461.20233974 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.41678 |
| DEC | -29.00739 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.548 |
| HIERARCH ESO ISS PBL12 END | 56.555 |
| HIERARCH ESO ISS PBLA12 START | 19.0 |
| HIERARCH ESO ISS PBLA12 END | 19.8 |
| HIERARCH ESO ISS PBL13 START | 102.32 |
| HIERARCH ESO ISS PBL13 END | 102.366 |
| HIERARCH ESO ISS PBLA13 START | 25.2 |
| HIERARCH ESO ISS PBLA13 END | 26.0 |
| HIERARCH ESO ISS PBL14 START | 128.637 |
| HIERARCH ESO ISS PBL14 END | 129.009 |
| HIERARCH ESO ISS PBLA14 START | 52.652 |
| HIERARCH ESO ISS PBLA14 END | 53.559 |
| HIERARCH ESO ISS PBL23 START | 46.495 |
| HIERARCH ESO ISS PBL23 END | 46.54 |
| HIERARCH ESO ISS PBLA23 START | 32.6 |
| HIERARCH ESO ISS PBLA23 END | 33.5 |
| HIERARCH ESO ISS PBL24 START | 87.381 |
| HIERARCH ESO ISS PBL24 END | 87.806 |
| HIERARCH ESO ISS PBLA24 START | 73.669 |
| HIERARCH ESO ISS PBLA24 END | 74.531 |
| HIERARCH ESO ISS PBL34 START | 60.558 |
| HIERARCH ESO ISS PBL34 END | 60.906 |
| HIERARCH ESO ISS PBLA34 START | 103.935 |
| HIERARCH ESO ISS PBLA34 END | 104.633 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004859 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005443 |
| HIERARCH ESO ISS AMBI TEMP | 16.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |