Exposure
- ID
- GRAVI.2024-05-31T07:13:46.516_2
- Header ID
- GRAVI.2024-05-31T07:13:46.516
- Date updated
- 2024-05-31 07:25:30 UTC+0000
- Release date
- 2025-05-31 07:25:30 UTC+0000
- UTC Start
- 2024-05-31 07:13:46.516
- UTC End
- 2024-05-31 07:19:46.516
- MJD Start
- 60461.30123282
- MJD End
- 60461.3053994867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075495
- Ambient temperature (°C)
- 15.99
- Seeing (arcsec)
- 0.525
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 | 55.1230 | 54.9420 | 33.8000 | 34.3000 |
| U1-U3 | 99.2300 | 98.8090 | 40.2000 | 40.7000 |
| U1-U4 | 123.5520 | 122.5670 | 69.1160 | 69.7300 |
| U2-U3 | 44.8630 | 44.6200 | 48.0000 | 48.5000 |
| U2-U4 | 84.7870 | 84.0580 | 91.1900 | 91.9900 |
| U3-U4 | 60.4710 | 60.1300 | 121.7160 | 122.7060 |
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 | 60461.30123282 |
| 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 | 55.123 |
| HIERARCH ESO ISS PBL12 END | 54.942 |
| HIERARCH ESO ISS PBLA12 START | 33.8 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 99.23 |
| HIERARCH ESO ISS PBL13 END | 98.809 |
| HIERARCH ESO ISS PBLA13 START | 40.2 |
| HIERARCH ESO ISS PBLA13 END | 40.7 |
| HIERARCH ESO ISS PBL14 START | 123.552 |
| HIERARCH ESO ISS PBL14 END | 122.567 |
| HIERARCH ESO ISS PBLA14 START | 69.116 |
| HIERARCH ESO ISS PBLA14 END | 69.73 |
| HIERARCH ESO ISS PBL23 START | 44.863 |
| HIERARCH ESO ISS PBL23 END | 44.62 |
| HIERARCH ESO ISS PBLA23 START | 48.0 |
| HIERARCH ESO ISS PBLA23 END | 48.5 |
| HIERARCH ESO ISS PBL24 START | 84.787 |
| HIERARCH ESO ISS PBL24 END | 84.058 |
| HIERARCH ESO ISS PBLA24 START | 91.19 |
| HIERARCH ESO ISS PBLA24 END | 91.99 |
| HIERARCH ESO ISS PBL34 START | 60.471 |
| HIERARCH ESO ISS PBL34 END | 60.13 |
| HIERARCH ESO ISS PBLA34 START | 121.716 |
| HIERARCH ESO ISS PBLA34 END | 122.706 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00874 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006359 |
| HIERARCH ESO ISS AMBI TEMP | 15.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |