Exposure
- ID
- GRAVI.2024-07-18T01:13:27.185_2
- Header ID
- GRAVI.2024-07-18T01:13:27.185
- Date updated
- 2024-07-18 07:15:26 UTC+0000
- Release date
- 2025-07-18 07:15:25 UTC+0000
- UTC Start
- 2024-07-18 01:13:27.185
- UTC End
- 2024-07-18 01:19:27.185
- MJD Start
- 60509.05100909
- MJD End
- 60509.055175756665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010098
- Ambient temperature (°C)
- 17.95
- Seeing (arcsec)
- 0.51
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- 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
- 266.4170833333333
- DEC
- -29.007681694444443
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 | 56.4800 | 56.4980 | 15.2000 | 16.1000 |
| U1-U3 | 102.0090 | 102.0890 | 21.2000 | 22.1000 |
| U1-U4 | 126.4230 | 126.9800 | 48.2760 | 49.2810 |
| U2-U3 | 46.2110 | 46.2830 | 28.5000 | 29.4000 |
| U2-U4 | 84.8770 | 85.5080 | 69.5610 | 70.4990 |
| U3-U4 | 58.5270 | 59.0390 | 100.8090 | 101.4950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60509.05100909 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 56.48 |
| HIERARCH ESO ISS PBL12 END | 56.498 |
| HIERARCH ESO ISS PBLA12 START | 15.2 |
| HIERARCH ESO ISS PBLA12 END | 16.1 |
| HIERARCH ESO ISS PBL13 START | 102.009 |
| HIERARCH ESO ISS PBL13 END | 102.089 |
| HIERARCH ESO ISS PBLA13 START | 21.2 |
| HIERARCH ESO ISS PBLA13 END | 22.1 |
| HIERARCH ESO ISS PBL14 START | 126.423 |
| HIERARCH ESO ISS PBL14 END | 126.98 |
| HIERARCH ESO ISS PBLA14 START | 48.276 |
| HIERARCH ESO ISS PBLA14 END | 49.281 |
| HIERARCH ESO ISS PBL23 START | 46.211 |
| HIERARCH ESO ISS PBL23 END | 46.283 |
| HIERARCH ESO ISS PBLA23 START | 28.5 |
| HIERARCH ESO ISS PBLA23 END | 29.4 |
| HIERARCH ESO ISS PBL24 START | 84.877 |
| HIERARCH ESO ISS PBL24 END | 85.508 |
| HIERARCH ESO ISS PBLA24 START | 69.561 |
| HIERARCH ESO ISS PBLA24 END | 70.499 |
| HIERARCH ESO ISS PBL34 START | 58.527 |
| HIERARCH ESO ISS PBL34 END | 59.039 |
| HIERARCH ESO ISS PBLA34 START | 100.809 |
| HIERARCH ESO ISS PBLA34 END | 101.495 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009718 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010478 |
| HIERARCH ESO ISS AMBI TEMP | 17.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |