Exposure
- ID
- GRAVI.2024-05-31T07:35:55.572_2
- Header ID
- GRAVI.2024-05-31T07:35:55.572
- Date updated
- 2024-05-31 07:50:31 UTC+0000
- Release date
- 2025-05-31 07:50:30 UTC+0000
- UTC Start
- 2024-05-31 07:35:55.572
- UTC End
- 2024-05-31 07:41:55.572
- MJD Start
- 60461.31661542
- MJD End
- 60461.3207820867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00471
- Ambient temperature (°C)
- 15.95
- Seeing (arcsec)
- 0.65
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 | 54.4500 | 54.2240 | 35.5000 | 35.9000 |
| U1-U3 | 97.6650 | 97.1430 | 41.8000 | 42.2000 |
| U1-U4 | 119.8900 | 118.6710 | 71.1860 | 71.7730 |
| U2-U3 | 43.9590 | 43.6580 | 49.7000 | 50.1000 |
| U2-U4 | 82.0820 | 81.1850 | 93.9650 | 94.7960 |
| U3-U4 | 59.2130 | 58.8030 | 125.2030 | 126.2720 |
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 | 60461.31661542 |
| 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 | 54.45 |
| HIERARCH ESO ISS PBL12 END | 54.224 |
| HIERARCH ESO ISS PBLA12 START | 35.5 |
| HIERARCH ESO ISS PBLA12 END | 35.9 |
| HIERARCH ESO ISS PBL13 START | 97.665 |
| HIERARCH ESO ISS PBL13 END | 97.143 |
| HIERARCH ESO ISS PBLA13 START | 41.8 |
| HIERARCH ESO ISS PBLA13 END | 42.2 |
| HIERARCH ESO ISS PBL14 START | 119.89 |
| HIERARCH ESO ISS PBL14 END | 118.671 |
| HIERARCH ESO ISS PBLA14 START | 71.186 |
| HIERARCH ESO ISS PBLA14 END | 71.773 |
| HIERARCH ESO ISS PBL23 START | 43.959 |
| HIERARCH ESO ISS PBL23 END | 43.658 |
| HIERARCH ESO ISS PBLA23 START | 49.7 |
| HIERARCH ESO ISS PBLA23 END | 50.1 |
| HIERARCH ESO ISS PBL24 START | 82.082 |
| HIERARCH ESO ISS PBL24 END | 81.185 |
| HIERARCH ESO ISS PBLA24 START | 93.965 |
| HIERARCH ESO ISS PBLA24 END | 94.796 |
| HIERARCH ESO ISS PBL34 START | 59.213 |
| HIERARCH ESO ISS PBL34 END | 58.803 |
| HIERARCH ESO ISS PBLA34 START | 125.203 |
| HIERARCH ESO ISS PBLA34 END | 126.272 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004924 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004496 |
| HIERARCH ESO ISS AMBI TEMP | 15.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |