Exposure
- ID
- GRAVI.2024-05-31T06:44:07.440_2
- Header ID
- GRAVI.2024-05-31T06:44:07.440
- Date updated
- 2024-05-31 07:00:30 UTC+0000
- Release date
- 2025-05-31 07:00:30 UTC+0000
- UTC Start
- 2024-05-31 06:44:07.440
- UTC End
- 2024-05-31 06:50:07.440
- MJD Start
- 60461.28064167
- MJD End
- 60461.2848083367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0051025
- Ambient temperature (°C)
- 15.93
- Seeing (arcsec)
- 0.52
Observation
- ID
- 59423
- Category
- science
- 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 | 55.7940 | 55.6690 | 31.3000 | 31.9000 |
| U1-U3 | 100.7900 | 100.5000 | 37.7000 | 38.2000 |
| U1-U4 | 127.1800 | 126.5150 | 66.1860 | 66.8400 |
| U2-U3 | 45.7630 | 45.5970 | 45.4000 | 46.0000 |
| U2-U4 | 87.4630 | 86.9760 | 87.5970 | 88.3700 |
| U3-U4 | 61.7230 | 61.4980 | 117.4390 | 118.3340 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60461.28064167 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416605 |
| DEC | -29.0072 |
| 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 | 55.794 |
| HIERARCH ESO ISS PBL12 END | 55.669 |
| HIERARCH ESO ISS PBLA12 START | 31.3 |
| HIERARCH ESO ISS PBLA12 END | 31.9 |
| HIERARCH ESO ISS PBL13 START | 100.79 |
| HIERARCH ESO ISS PBL13 END | 100.5 |
| HIERARCH ESO ISS PBLA13 START | 37.7 |
| HIERARCH ESO ISS PBLA13 END | 38.2 |
| HIERARCH ESO ISS PBL14 START | 127.18 |
| HIERARCH ESO ISS PBL14 END | 126.515 |
| HIERARCH ESO ISS PBLA14 START | 66.186 |
| HIERARCH ESO ISS PBLA14 END | 66.84 |
| HIERARCH ESO ISS PBL23 START | 45.763 |
| HIERARCH ESO ISS PBL23 END | 45.597 |
| HIERARCH ESO ISS PBLA23 START | 45.4 |
| HIERARCH ESO ISS PBLA23 END | 46.0 |
| HIERARCH ESO ISS PBL24 START | 87.463 |
| HIERARCH ESO ISS PBL24 END | 86.976 |
| HIERARCH ESO ISS PBLA24 START | 87.597 |
| HIERARCH ESO ISS PBLA24 END | 88.37 |
| HIERARCH ESO ISS PBL34 START | 61.723 |
| HIERARCH ESO ISS PBL34 END | 61.498 |
| HIERARCH ESO ISS PBLA34 START | 117.439 |
| HIERARCH ESO ISS PBLA34 END | 118.334 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005843 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004362 |
| HIERARCH ESO ISS AMBI TEMP | 15.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |