Exposure
- ID
- GRAVI.2024-06-23T02:43:12.131_2
- Header ID
- GRAVI.2024-06-23T02:43:12.131
- Date updated
- 2024-06-23 03:00:27 UTC+0000
- Release date
- 2025-06-23 03:00:27 UTC+0000
- UTC Start
- 2024-06-23 02:43:12.131
- UTC End
- 2024-06-23 02:49:12.131
- MJD Start
- 60484.11333485
- MJD End
- 60484.1175015167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.62
- Seeing (arcsec)
- 0.625
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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 | 56.4530 | 56.4730 | 14.1000 | 14.9000 |
| U1-U3 | 101.8950 | 101.9810 | 20.0000 | 20.9000 |
| U1-U4 | 125.6310 | 126.2330 | 46.9030 | 47.9400 |
| U2-U3 | 46.1080 | 46.1860 | 27.2000 | 28.2000 |
| U2-U4 | 83.9750 | 84.6610 | 68.2810 | 69.2480 |
| U3-U4 | 57.7920 | 58.3510 | 99.8980 | 100.5830 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60484.11333485 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416842 |
| DEC | -29.00726 |
| 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 | 56.453 |
| HIERARCH ESO ISS PBL12 END | 56.473 |
| HIERARCH ESO ISS PBLA12 START | 14.1 |
| HIERARCH ESO ISS PBLA12 END | 14.9 |
| HIERARCH ESO ISS PBL13 START | 101.895 |
| HIERARCH ESO ISS PBL13 END | 101.981 |
| HIERARCH ESO ISS PBLA13 START | 20.0 |
| HIERARCH ESO ISS PBLA13 END | 20.9 |
| HIERARCH ESO ISS PBL14 START | 125.631 |
| HIERARCH ESO ISS PBL14 END | 126.233 |
| HIERARCH ESO ISS PBLA14 START | 46.903 |
| HIERARCH ESO ISS PBLA14 END | 47.94 |
| HIERARCH ESO ISS PBL23 START | 46.108 |
| HIERARCH ESO ISS PBL23 END | 46.186 |
| HIERARCH ESO ISS PBLA23 START | 27.2 |
| HIERARCH ESO ISS PBLA23 END | 28.2 |
| HIERARCH ESO ISS PBL24 START | 83.975 |
| HIERARCH ESO ISS PBL24 END | 84.661 |
| HIERARCH ESO ISS PBLA24 START | 68.281 |
| HIERARCH ESO ISS PBLA24 END | 69.248 |
| HIERARCH ESO ISS PBL34 START | 57.792 |
| HIERARCH ESO ISS PBL34 END | 58.351 |
| HIERARCH ESO ISS PBLA34 START | 99.898 |
| HIERARCH ESO ISS PBLA34 END | 100.583 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |