Exposure
- ID
- GRAVI.2024-06-24T05:43:00.186_2
- Header ID
- GRAVI.2024-06-24T05:43:00.186
- Date updated
- 2024-06-24 05:55:29 UTC+0000
- Release date
- 2025-06-24 05:55:29 UTC+0000
- UTC Start
- 2024-06-24 05:43:00.186
- UTC End
- 2024-06-24 05:49:00.186
- MJD Start
- 60485.2381966
- MJD End
- 60485.2423632667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 9.84
- Seeing (arcsec)
- 1.03
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 | 55.0250 | 54.8380 | 34.1000 | 34.6000 |
| U1-U3 | 99.0020 | 98.5660 | 40.4000 | 40.9000 |
| U1-U4 | 123.0200 | 121.9980 | 69.4550 | 70.0640 |
| U2-U3 | 44.7320 | 44.4790 | 48.3000 | 48.8000 |
| U2-U4 | 84.3930 | 83.6370 | 91.6280 | 92.4320 |
| U3-U4 | 60.2870 | 59.9330 | 122.2570 | 123.2580 |
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 | 60485.2381966 |
| 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 | 55.025 |
| HIERARCH ESO ISS PBL12 END | 54.838 |
| HIERARCH ESO ISS PBLA12 START | 34.1 |
| HIERARCH ESO ISS PBLA12 END | 34.6 |
| HIERARCH ESO ISS PBL13 START | 99.002 |
| HIERARCH ESO ISS PBL13 END | 98.566 |
| HIERARCH ESO ISS PBLA13 START | 40.4 |
| HIERARCH ESO ISS PBLA13 END | 40.9 |
| HIERARCH ESO ISS PBL14 START | 123.02 |
| HIERARCH ESO ISS PBL14 END | 121.998 |
| HIERARCH ESO ISS PBLA14 START | 69.455 |
| HIERARCH ESO ISS PBLA14 END | 70.064 |
| HIERARCH ESO ISS PBL23 START | 44.732 |
| HIERARCH ESO ISS PBL23 END | 44.479 |
| HIERARCH ESO ISS PBLA23 START | 48.3 |
| HIERARCH ESO ISS PBLA23 END | 48.8 |
| HIERARCH ESO ISS PBL24 START | 84.393 |
| HIERARCH ESO ISS PBL24 END | 83.637 |
| HIERARCH ESO ISS PBLA24 START | 91.628 |
| HIERARCH ESO ISS PBLA24 END | 92.432 |
| HIERARCH ESO ISS PBL34 START | 60.287 |
| HIERARCH ESO ISS PBL34 END | 59.933 |
| HIERARCH ESO ISS PBLA34 START | 122.257 |
| HIERARCH ESO ISS PBLA34 END | 123.258 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 9.84 |
| HIERARCH ESO ISS AMBI FWHM START | 1.1 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |