Exposure
- ID
- GRAVI.2024-06-24T04:30:15.001_2
- Header ID
- GRAVI.2024-06-24T04:30:15.001
- Date updated
- 2024-06-24 04:45:37 UTC+0000
- Release date
- 2025-06-24 04:45:37 UTC+0000
- UTC Start
- 2024-06-24 04:30:15.001
- UTC End
- 2024-06-24 04:36:15.001
- MJD Start
- 60485.18767362
- MJD End
- 60485.1918402867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.0
- Seeing (arcsec)
- 1.035
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 | 56.3280 | 56.2650 | 27.5000 | 28.1000 |
| U1-U3 | 102.0090 | 101.8710 | 33.8000 | 34.5000 |
| U1-U4 | 129.7910 | 129.5320 | 61.9620 | 62.6790 |
| U2-U3 | 46.4510 | 46.3760 | 41.6000 | 42.2000 |
| U2-U4 | 89.2700 | 89.1140 | 82.9050 | 83.6700 |
| U3-U4 | 62.4610 | 62.4200 | 112.3340 | 113.1260 |
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 | 60485.18767362 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416828 |
| DEC | -29.00731 |
| 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 | 56.328 |
| HIERARCH ESO ISS PBL12 END | 56.265 |
| HIERARCH ESO ISS PBLA12 START | 27.5 |
| HIERARCH ESO ISS PBLA12 END | 28.1 |
| HIERARCH ESO ISS PBL13 START | 102.009 |
| HIERARCH ESO ISS PBL13 END | 101.871 |
| HIERARCH ESO ISS PBLA13 START | 33.8 |
| HIERARCH ESO ISS PBLA13 END | 34.5 |
| HIERARCH ESO ISS PBL14 START | 129.791 |
| HIERARCH ESO ISS PBL14 END | 129.532 |
| HIERARCH ESO ISS PBLA14 START | 61.962 |
| HIERARCH ESO ISS PBLA14 END | 62.679 |
| HIERARCH ESO ISS PBL23 START | 46.451 |
| HIERARCH ESO ISS PBL23 END | 46.376 |
| HIERARCH ESO ISS PBLA23 START | 41.6 |
| HIERARCH ESO ISS PBLA23 END | 42.2 |
| HIERARCH ESO ISS PBL24 START | 89.27 |
| HIERARCH ESO ISS PBL24 END | 89.114 |
| HIERARCH ESO ISS PBLA24 START | 82.905 |
| HIERARCH ESO ISS PBLA24 END | 83.67 |
| HIERARCH ESO ISS PBL34 START | 62.461 |
| HIERARCH ESO ISS PBL34 END | 62.42 |
| HIERARCH ESO ISS PBLA34 START | 112.334 |
| HIERARCH ESO ISS PBLA34 END | 113.126 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 1.24 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |