Exposure
- ID
- GRAVI.2024-06-26T03:14:46.770_2
- Header ID
- GRAVI.2024-06-26T03:14:46.770
- Date updated
- 2024-06-26 03:30:23 UTC+0000
- Release date
- 2025-06-26 03:30:23 UTC+0000
- UTC Start
- 2024-06-26 03:14:46.770
- UTC End
- 2024-06-26 03:20:46.770
- MJD Start
- 60487.13526354
- MJD End
- 60487.1394302067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0032855
- Ambient temperature (°C)
- 11.34
- Seeing (arcsec)
- 0.59
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 | 56.5550 | 56.5590 | 19.7000 | 20.5000 |
| U1-U3 | 102.3610 | 102.3970 | 25.9000 | 26.7000 |
| U1-U4 | 128.9650 | 129.2980 | 53.4430 | 54.3370 |
| U2-U3 | 46.5350 | 46.5740 | 33.4000 | 34.3000 |
| U2-U4 | 87.7560 | 88.1420 | 74.4210 | 75.2750 |
| U3-U4 | 60.8640 | 61.1830 | 104.5420 | 105.2490 |
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 | 60487.13526354 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416811 |
| DEC | -29.00723 |
| 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 | 56.555 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 19.7 |
| HIERARCH ESO ISS PBLA12 END | 20.5 |
| HIERARCH ESO ISS PBL13 START | 102.361 |
| HIERARCH ESO ISS PBL13 END | 102.397 |
| HIERARCH ESO ISS PBLA13 START | 25.9 |
| HIERARCH ESO ISS PBLA13 END | 26.7 |
| HIERARCH ESO ISS PBL14 START | 128.965 |
| HIERARCH ESO ISS PBL14 END | 129.298 |
| HIERARCH ESO ISS PBLA14 START | 53.443 |
| HIERARCH ESO ISS PBLA14 END | 54.337 |
| HIERARCH ESO ISS PBL23 START | 46.535 |
| HIERARCH ESO ISS PBL23 END | 46.574 |
| HIERARCH ESO ISS PBLA23 START | 33.4 |
| HIERARCH ESO ISS PBLA23 END | 34.3 |
| HIERARCH ESO ISS PBL24 START | 87.756 |
| HIERARCH ESO ISS PBL24 END | 88.142 |
| HIERARCH ESO ISS PBLA24 START | 74.421 |
| HIERARCH ESO ISS PBLA24 END | 75.275 |
| HIERARCH ESO ISS PBL34 START | 60.864 |
| HIERARCH ESO ISS PBL34 END | 61.183 |
| HIERARCH ESO ISS PBLA34 START | 104.542 |
| HIERARCH ESO ISS PBLA34 END | 105.249 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003038 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003533 |
| HIERARCH ESO ISS AMBI TEMP | 11.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| 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 |