Exposure
- ID
- GRAVI.2024-06-25T02:50:56.320_2
- Header ID
- GRAVI.2024-06-25T02:50:56.320
- Date updated
- 2024-06-25 03:05:29 UTC+0000
- Release date
- 2025-06-25 03:05:29 UTC+0000
- UTC Start
- 2024-06-25 02:50:56.320
- UTC End
- 2024-06-25 02:56:16.320
- MJD Start
- 60486.11870741
- MJD End
- 60486.1224111137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027095
- Ambient temperature (°C)
- 9.96
- Seeing (arcsec)
- 0.745
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 | 56.5000 | 56.5150 | 16.1000 | 16.9000 |
| U1-U3 | 102.0960 | 102.1620 | 22.2000 | 22.9000 |
| U1-U4 | 127.0270 | 127.4830 | 49.3660 | 50.2290 |
| U2-U3 | 46.2890 | 46.3480 | 29.5000 | 30.3000 |
| U2-U4 | 85.5600 | 86.0750 | 70.5790 | 71.3860 |
| U3-U4 | 59.0810 | 59.4990 | 101.5530 | 102.1570 |
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 | 60486.11870741 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416918 |
| DEC | -29.00728 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.5 |
| HIERARCH ESO ISS PBL12 END | 56.515 |
| HIERARCH ESO ISS PBLA12 START | 16.1 |
| HIERARCH ESO ISS PBLA12 END | 16.9 |
| HIERARCH ESO ISS PBL13 START | 102.096 |
| HIERARCH ESO ISS PBL13 END | 102.162 |
| HIERARCH ESO ISS PBLA13 START | 22.2 |
| HIERARCH ESO ISS PBLA13 END | 22.9 |
| HIERARCH ESO ISS PBL14 START | 127.027 |
| HIERARCH ESO ISS PBL14 END | 127.483 |
| HIERARCH ESO ISS PBLA14 START | 49.366 |
| HIERARCH ESO ISS PBLA14 END | 50.229 |
| HIERARCH ESO ISS PBL23 START | 46.289 |
| HIERARCH ESO ISS PBL23 END | 46.348 |
| HIERARCH ESO ISS PBLA23 START | 29.5 |
| HIERARCH ESO ISS PBLA23 END | 30.3 |
| HIERARCH ESO ISS PBL24 START | 85.56 |
| HIERARCH ESO ISS PBL24 END | 86.075 |
| HIERARCH ESO ISS PBLA24 START | 70.579 |
| HIERARCH ESO ISS PBLA24 END | 71.386 |
| HIERARCH ESO ISS PBL34 START | 59.081 |
| HIERARCH ESO ISS PBL34 END | 59.499 |
| HIERARCH ESO ISS PBLA34 START | 101.553 |
| HIERARCH ESO ISS PBLA34 END | 102.157 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002731 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002688 |
| HIERARCH ESO ISS AMBI TEMP | 9.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |