Exposure
- ID
- GRAVI.2024-04-24T06:37:07.941_2
- Header ID
- GRAVI.2024-04-24T06:37:07.941
- Date updated
- 2024-04-24 06:50:41 UTC+0000
- Release date
- 2025-04-24 06:50:41 UTC+0000
- UTC Start
- 2024-04-24 06:37:07.941
- UTC End
- 2024-04-24 06:42:27.941
- MJD Start
- 60424.27578635
- MJD End
- 60424.2794900537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0063065
- Ambient temperature (°C)
- 16.43
- Seeing (arcsec)
- 0.565
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- 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 | 56.4460 | 56.4650 | 13.8000 | 14.6000 |
| U1-U3 | 101.8670 | 101.9450 | 19.7000 | 20.5000 |
| U1-U4 | 125.4420 | 125.9800 | 46.5860 | 47.5030 |
| U2-U3 | 46.0840 | 46.1530 | 26.9000 | 27.8000 |
| U2-U4 | 83.7600 | 84.3740 | 67.9860 | 68.8410 |
| U3-U4 | 57.6150 | 58.1180 | 99.6920 | 100.2930 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60424.27578635 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416804 |
| DEC | -29.00734 |
| 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 | 56.446 |
| HIERARCH ESO ISS PBL12 END | 56.465 |
| HIERARCH ESO ISS PBLA12 START | 13.8 |
| HIERARCH ESO ISS PBLA12 END | 14.6 |
| HIERARCH ESO ISS PBL13 START | 101.867 |
| HIERARCH ESO ISS PBL13 END | 101.945 |
| HIERARCH ESO ISS PBLA13 START | 19.7 |
| HIERARCH ESO ISS PBLA13 END | 20.5 |
| HIERARCH ESO ISS PBL14 START | 125.442 |
| HIERARCH ESO ISS PBL14 END | 125.98 |
| HIERARCH ESO ISS PBLA14 START | 46.586 |
| HIERARCH ESO ISS PBLA14 END | 47.503 |
| HIERARCH ESO ISS PBL23 START | 46.084 |
| HIERARCH ESO ISS PBL23 END | 46.153 |
| HIERARCH ESO ISS PBLA23 START | 26.9 |
| HIERARCH ESO ISS PBLA23 END | 27.8 |
| HIERARCH ESO ISS PBL24 START | 83.76 |
| HIERARCH ESO ISS PBL24 END | 84.374 |
| HIERARCH ESO ISS PBLA24 START | 67.986 |
| HIERARCH ESO ISS PBLA24 END | 68.841 |
| HIERARCH ESO ISS PBL34 START | 57.615 |
| HIERARCH ESO ISS PBL34 END | 58.118 |
| HIERARCH ESO ISS PBLA34 START | 99.692 |
| HIERARCH ESO ISS PBLA34 END | 100.293 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006218 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006395 |
| HIERARCH ESO ISS AMBI TEMP | 16.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |