Exposure
- ID
- GRAVI.2024-06-25T01:26:02.105_2
- Header ID
- GRAVI.2024-06-25T01:26:02.105
- Date updated
- 2024-06-25 01:45:34 UTC+0000
- Release date
- 2025-06-25 01:45:33 UTC+0000
- UTC Start
- 2024-06-25 01:26:02.105
- UTC End
- 2024-06-25 01:32:42.105
- MJD Start
- 60486.05974658
- MJD End
- 60486.0643762096
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002588
- Ambient temperature (°C)
- 10.29
- Seeing (arcsec)
- 0.68
Observation
- ID
- 59767
- 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
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
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 | 56.2540 | 56.2670 | 4.3000 | 5.3000 |
| U1-U3 | 100.9510 | 101.0300 | 9.5000 | 10.6000 |
| U1-U4 | 117.8770 | 118.6980 | 34.1630 | 35.5730 |
| U2-U3 | 45.2030 | 45.2880 | 15.9000 | 17.1000 |
| U2-U4 | 74.5210 | 75.5960 | 56.2110 | 57.5850 |
| U3-U4 | 49.6260 | 50.6090 | 92.3600 | 93.1450 |
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 | 60486.05974658 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16SW |
| RA | 266.416938 |
| DEC | -29.00745 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 56.254 |
| HIERARCH ESO ISS PBL12 END | 56.267 |
| HIERARCH ESO ISS PBLA12 START | 4.3 |
| HIERARCH ESO ISS PBLA12 END | 5.3 |
| HIERARCH ESO ISS PBL13 START | 100.951 |
| HIERARCH ESO ISS PBL13 END | 101.03 |
| HIERARCH ESO ISS PBLA13 START | 9.5 |
| HIERARCH ESO ISS PBLA13 END | 10.6 |
| HIERARCH ESO ISS PBL14 START | 117.877 |
| HIERARCH ESO ISS PBL14 END | 118.698 |
| HIERARCH ESO ISS PBLA14 START | 34.163 |
| HIERARCH ESO ISS PBLA14 END | 35.573 |
| HIERARCH ESO ISS PBL23 START | 45.203 |
| HIERARCH ESO ISS PBL23 END | 45.288 |
| HIERARCH ESO ISS PBLA23 START | 15.9 |
| HIERARCH ESO ISS PBLA23 END | 17.1 |
| HIERARCH ESO ISS PBL24 START | 74.521 |
| HIERARCH ESO ISS PBL24 END | 75.596 |
| HIERARCH ESO ISS PBLA24 START | 56.211 |
| HIERARCH ESO ISS PBLA24 END | 57.585 |
| HIERARCH ESO ISS PBL34 START | 49.626 |
| HIERARCH ESO ISS PBL34 END | 50.609 |
| HIERARCH ESO ISS PBLA34 START | 92.36 |
| HIERARCH ESO ISS PBLA34 END | 93.145 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002608 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002568 |
| HIERARCH ESO ISS AMBI TEMP | 10.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |