R Coronae Borealis
| Known Variables in Hipparcos data
Type: RCB
| C-LC
| P-LC
| O-LC
| O-LC
Coords: (2000) 15h48.6m +28°09'
Magnitude range: 5.20 to 14.50
Sequence chart: 041.02
| A
| B
Total observations: 45210
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1890.. 11 2 3 1 29 1900.. 105 120 91 57 70 1920.. 631 462 640 514 494 328 444 457 511 1930.. 346 578 525 657 553 591 236 342 831 397 1940.. 219 48 46 27 33 206 381 179 178 159 1950.. 97 181 174 239 199 289 98 147 171 259 1960.. 353 347 438 341 244 215 348 399 621 524 1970.. 398 836 791 1695 1523 1087 660 234 347 343 1980.. 438 520 613 657 667 740 1119 1141 1221 1195 1990.. 1101 1029 1049 1331 1087 1435 707 809 1299 1127 2000.. 825
S Coronae Borealis
Type: M
| P-LC
| O-LC
Period: 360d
Coords: (2000) 15h21.4m +31°22'
Magnitude range: 5.90 to 13.98
Sequence chart: 043.01
Total observations: 12595
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1890.. 11 1 1 1 3 1900.. 7 77 26 16 28 5 185 212 162 189 1910.. 116 120 77 135 155 151 147 170 182 158 1920.. 209 211 189 196 263 243 223 194 222 223 1930.. 157 251 201 251 202 134 1940.. 106 18 15 36 47 85 155 78 1950.. 47 102 101 89 67 124 64 62 53 78 1960.. 66 105 95 61 31 34 27 25 24 5 1970.. 2 4 28 109 227 302 322 220 110 143 1980.. 236 238 165 263 215 192 262 281 283 234 1990.. 164 101 78 114 119 112 84 71 132 163 2000.. 117
T Coronae Borealis
| Four Spectra obtained at WPO
Type: NR
| O-LC
Period: 29000d
Coords: (2000) 15h59.5m +25°55'
Magnitude range: 3.00 to 11.50
Sequence chart: 025.01
Total observations: 14061
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1940.. 418 45 1950.. 6 2 2 1 18 30 45 42 61 1960.. 13 142 185 170 212 199 145 144 286 149 1970.. 76 214 225 253 452 511 227 93 71 101 1980.. 184 141 200 291 257 245 450 712 710 525 1990.. 443 395 336 466 409 713 622 538 615 696 2000.. 575
U Coronae Borealis
Type: EA
Period: 3.45d
Coords: (2000) 15h18.2m +31°39'
Magnitude range: 8.23 to 8.55
Sequence chart: JEI860706
Total observations: 4
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 4
V Coronae Borealis
Type: M
| P-LC
Period: 358d
Coords: (2000) 15h49.5m +39°34'
Magnitude range: 6.70 to 12.80
Sequence chart: 057.01
Total observations: 2745
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1970.. 5 42 62 1980.. 134 160 122 139 122 114 168 227 207 167 1990.. 116 99 86 106 104 110 86 84 89 103 2000.. 93
W Coronae Borealis
Type: M
| P-LC
| O-LC
Period: 238d
Coords: (2000) 16h15.4m +37°48'
Magnitude range: 7.30 to 14.40
Sequence chart: 044.01
Total observations: 6291
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1910.. 47 92 89 117 115 92 1920.. 108 142 103 117 139 163 211 193 186 171 1930.. 157 175 197 197 164 1970.. 1 133 125 97 71 90 1980.. 131 111 104 137 134 140 205 240 213 190 1990.. 145 122 79 111 120 109 96 44 162 112 2000.. 94
X Coronae Borealis
Type: M
| O-LC
Period: 241.17d
Coords: (2000) 15h48m54s +36°14'54"
Magnitude range: 8.60 to 14.00
Total observations: 54
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 9 4 11 16 2000.. 14
RR Coronae Borealis
Type: SRB
| O-LC
Period: 61d
Coords: (2000) 15h41.4m +38°33'
Magnitude range: 7.40 to 8.60
Sequence chart: 220.01
| @
Total observations: 879
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1970.. 76 65 1990.. 87 3 3 101 124 75 39 115 96 2000.. 95
SW Coronae Borealis
Type: SRB
| O-LC
Period: 100d?
Coords: (2000) 15h40.8m +38°43'
Magnitude range: 7.60 to 8.60
Sequence chart: 220.01
| @
Total observations: 854
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1970.. 88 68 1990.. 87 3 3 94 124 69 23 104 96 2000.. 95
TT Coronae Borealis
Type: SRB
Period: 60d
Coords: (2000) 15h48m32s +28°16'52"
Magnitude range: 11.40 to 11.60
Total observations: 6
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 5 1
VW Coronae Borealis (var21)
Type: UGSU
Coords: (2000) 16h00m04s +33°11'15"
Magnitude range: 13.90 to [16.00
Sequence chart: TA960528
Total observations: 376
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 74 102 56 66 2000.. 78
NSV7373 Coronae Borealis
Type: not listed
Coords: (2000) 15h58m10s +26°14'52"
Magnitude range: 9.70 to 10.20
Sequence chart: 025.01
Total observations: 10
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 2000.. 10
NSV7378 Coronae Borealis (K on 025.01)
Type: RV
| O-LC
Coords: (2000) 15h58m58s +26°08'05"
Magnitude range: 8.50 to 10.25
Sequence chart: 025.01
Total observations: 178
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 2 76 34 2000.. 66
Q1996/077 Coronae Borealis
Type: not listed
Coords: (2000) 15h52m00s +32°56'55"
Magnitude range: 10.40P to 10.40P
Total observations: 12
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1960.. 3 1970.. 1 1 1980.. 2 3 1 1
