Exposure
- ID
- GRAVI.2024-06-24T01:41:17.572_2
- Header ID
- GRAVI.2024-06-24T01:41:17.572
- Date updated
- 2024-06-24 01:55:30 UTC+0000
- Release date
- 2025-06-24 01:55:30 UTC+0000
- UTC Start
- 2024-06-24 01:41:17.572
- UTC End
- 2024-06-24 01:47:17.572
- MJD Start
- 60485.07034227
- MJD End
- 60485.0745089367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.87
- Seeing (arcsec)
- 0.555
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 | 56.2760 | 56.2910 | 6.0000 | 6.9000 |
| U1-U3 | 101.0830 | 101.1650 | 11.3000 | 12.3000 |
| U1-U4 | 119.2220 | 119.9870 | 36.4560 | 37.7240 |
| U2-U3 | 45.3430 | 45.4270 | 17.8000 | 18.9000 |
| U2-U4 | 76.2700 | 77.2390 | 58.4380 | 59.6560 |
| U3-U4 | 51.2170 | 52.0810 | 93.6400 | 94.3560 |
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 | 60485.07034227 |
| 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 | 56.276 |
| HIERARCH ESO ISS PBL12 END | 56.291 |
| HIERARCH ESO ISS PBLA12 START | 6.0 |
| HIERARCH ESO ISS PBLA12 END | 6.9 |
| HIERARCH ESO ISS PBL13 START | 101.083 |
| HIERARCH ESO ISS PBL13 END | 101.165 |
| HIERARCH ESO ISS PBLA13 START | 11.3 |
| HIERARCH ESO ISS PBLA13 END | 12.3 |
| HIERARCH ESO ISS PBL14 START | 119.222 |
| HIERARCH ESO ISS PBL14 END | 119.987 |
| HIERARCH ESO ISS PBLA14 START | 36.456 |
| HIERARCH ESO ISS PBLA14 END | 37.724 |
| HIERARCH ESO ISS PBL23 START | 45.343 |
| HIERARCH ESO ISS PBL23 END | 45.427 |
| HIERARCH ESO ISS PBLA23 START | 17.8 |
| HIERARCH ESO ISS PBLA23 END | 18.9 |
| HIERARCH ESO ISS PBL24 START | 76.27 |
| HIERARCH ESO ISS PBL24 END | 77.239 |
| HIERARCH ESO ISS PBLA24 START | 58.438 |
| HIERARCH ESO ISS PBLA24 END | 59.656 |
| HIERARCH ESO ISS PBL34 START | 51.217 |
| HIERARCH ESO ISS PBL34 END | 52.081 |
| HIERARCH ESO ISS PBLA34 START | 93.64 |
| HIERARCH ESO ISS PBLA34 END | 94.356 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |